{"title":"Callies","description":"\u003cp\u003eBuilt for your performance engine build, Callies engine internals deliver the strength and reliability needed to handle increased power and boost. Whether you’re upgrading pistons, rods, or crankshafts, these parts are engineered to withstand demanding conditions and improve overall engine durability.\u003c\/p\u003e\n\u003cp\u003eIn this collection, you’ll find a range of Callies aftermarket engine components designed to enhance your build’s power potential and valvetrain control. Each part is crafted to exacting standards, ensuring precise fitment and long-term reliability for your Chrysler, Dodge, or Ram Hemi platform.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eForged pistons and rods for strength under boost\u003c\/li\u003e\n\u003cli\u003eBalanced crankshafts for smooth operation\u003c\/li\u003e\n\u003cli\u003eGasket kits and bearings for rebuilds and upgrades\u003c\/li\u003e\n\u003cli\u003eComponents designed for high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShop engine internals for your Hemi or related platform at FastHemis.\u003c\/p\u003e","products":[{"product_id":"callies-mopar-engine-blocks-05045475ag-cpi-05045475ag","title":"Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (02-26)","description":"\u003ch3\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk Engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e05045475AG\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is a direct replacement engine block designed for high-performance Mopar Hemi Gen III engines. Compatible with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines, this OEM-style block offers durability and reliability for enthusiasts and builders seeking a robust foundation for their powertrain. Crafted from cast iron, it provides excellent strength and wear resistance, making it ideal for both street and track applications.\u003c\/p\u003e\u003cp\u003eWhether you are rebuilding a factory engine or assembling a custom performance build, this engine block serves as a solid base engineered to meet the demanding standards of Mopar’s Gen III Hemi lineup. It is perfect for those who require a dependable block that maintains factory dimensions and fitment without compromise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned to meet OEM specifications, the Callies Mopar Gen III Cast Iron Engine Block offers a range of features that ensure compatibility and performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable cast iron construction for enhanced strength and longevity\u003c\/li\u003e\n\u003cli\u003eMain Journal Type: Mopar Hemi Gen III standard configuration\u003c\/li\u003e\n\u003cli\u003eEngine Block Style: OEM replacement with standard deck height of 9.250 inches\u003c\/li\u003e\n\u003cli\u003eCylinder Bore Diameter: 4.090 inches as shipped, ready for custom boring and honing\u003c\/li\u003e\n\u003cli\u003eCamshaft Location: Standard factory placement for seamless integration\u003c\/li\u003e\n\u003cli\u003eMain Bolt Style: 2-bolt main caps (main caps and fasteners not included)\u003c\/li\u003e\n\u003cli\u003eRear Main Seal Style: One-piece rear main seal design for reliable sealing\u003c\/li\u003e\n\u003cli\u003eFinished Cylinder Bores: Not finished, allowing builders to customize bore size\u003c\/li\u003e\n\u003cli\u003eFreeze Plugs and Cam Bearings: Not included, enabling tailored component selection\u003c\/li\u003e\n\u003cli\u003eNon-Remanufactured: Brand new block ensuring uncompromised integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is crafted from high-grade cast iron, chosen for its superior wear resistance and ability to withstand high combustion pressures and temperatures. The standard deck height of 9.250 inches maintains factory geometry, ensuring compatibility with existing Mopar Gen III components such as heads, gaskets, and rotating assemblies.\u003c\/p\u003e\u003cp\u003eThe block’s design preserves the original camshaft location and main journal configuration, facilitating straightforward installation and minimizing the need for custom modifications. Its robust construction supports high-performance builds, including forced induction and naturally aspirated applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is engineered as a direct fit replacement for Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines. Installation requires standard engine assembly procedures, including boring, honing, and fitting of internal components such as pistons, bearings, and camshaft.\u003c\/p\u003e\u003cp\u003eNote that main caps, fasteners, bearings, freeze plugs, and cam bearings are not included and must be sourced separately. This allows builders to customize their assembly to specific performance goals and preferences.\u003c\/p\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne (1) Callies Mopar Gen III Cast Iron Engine Block\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is ideal for performance enthusiasts, engine builders, and professional shops looking to rebuild or upgrade Mopar Gen III Hemi engines. It suits applications ranging from street performance to track use, providing a durable and reliable foundation for high-horsepower builds.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541262548,"sku":"05045475AG","price":1610.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4682_cpi-05045475ag_xl_bf1c1cf2-6f17-4dd9-a006-a56b6b02f830.webp?v=1766655023"},{"product_id":"callies-mopar-engine-blocks-p5160210aa-cpi-p5160210aa","title":"Callies Mopar Aftermarket Cast Iron Engine Block: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (02-26)","description":"\u003ch3\u003eCallies Mopar Aftermarket Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eP5160210AA\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Aftermarket Cast Iron Engine Block is engineered to provide a durable and reliable foundation for high-performance Mopar Hemi engines. Designed to fit a wide range of Chrysler, Dodge, Jeep, and Ram models equipped with 5.7L to 6.4L Hemi engines, this block is ideal for enthusiasts and builders seeking a robust replacement or upgrade option. Whether you are restoring a classic muscle car or building a modern performance machine, this aftermarket block offers the strength and precision needed to support demanding power levels.\u003c\/p\u003e\u003cp\u003eBuilt with quality and compatibility in mind, this engine block maintains the standard deck height and camshaft location, ensuring seamless integration with existing components. It is perfect for those who want to maintain factory specifications while benefiting from the enhanced durability of a cast iron aftermarket block.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Callies engine block combines traditional design with modern manufacturing techniques to deliver a dependable platform for Mopar Hemi engines. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for superior strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eStandard deck height to maintain OEM compatibility\u003c\/li\u003e\n\u003cli\u003eMain journal type designed for Mopar 426 Hemi\/Wedge engines\u003c\/li\u003e\n\u003cli\u003e4-bolt main caps made from ductile iron for enhanced durability\u003c\/li\u003e\n\u003cli\u003eMain caps and fasteners included for a complete assembly foundation\u003c\/li\u003e\n\u003cli\u003eRear main seal style is a 2-piece design for reliable sealing\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location to fit factory and aftermarket camshafts\u003c\/li\u003e\n\u003cli\u003eCylinder bore diameter of 4.245 inches as shipped, ready for custom boring\u003c\/li\u003e\n\u003cli\u003eSold individually to accommodate custom engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe engine block is crafted from high-quality cast iron, chosen for its excellent wear resistance and ability to withstand high combustion pressures. The use of ductile iron for the main caps further enhances the block’s structural integrity, providing a solid foundation for high-performance applications. The block features a standard deck height and camshaft location, ensuring compatibility with a wide range of Mopar Hemi components and aftermarket upgrades.\u003c\/p\u003e\u003cp\u003eAlthough the cylinder bores are not finished, this allows engine builders to customize bore size to their specific needs. The block does not include cam bearings, freeze plugs, or main bearings, giving builders the flexibility to select components that best suit their performance goals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Callies aftermarket engine block is designed to fit most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines. Its standard dimensions and bolt patterns ensure a straightforward installation process with minimal modifications required. It is recommended that professional engine builders or experienced enthusiasts handle the installation to ensure proper machining, assembly, and break-in procedures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron engine block\u003c\/li\u003e\n\u003cli\u003eDuctile iron 4-bolt main caps\u003c\/li\u003e\n\u003cli\u003eMain cap fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is ideal for performance enthusiasts, engine builders, and restorers who require a strong, reliable foundation for Mopar Hemi engine builds. It suits those looking to upgrade or replace a worn or damaged block while maintaining OEM specifications and compatibility with a broad range of Mopar performance parts.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541328084,"sku":"P5160210AA","price":6039.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4684_cpi-p5160210aa_xl_f5026451-bbc4-4eb2-aaac-07c9f3c963fc.webp?v=1766655021"},{"product_id":"callies-mopar-engine-blocks-05045475ag-kit-cpi-s0033","title":"Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (02-26)","description":"\u003ch3\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eS0033\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is a premium replacement block engineered to fit a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L to 6.4L Hemi engines, including high-performance variants like the 6.1L SRT8, 6.2L Hellcat, and 6.4L 392. Designed for enthusiasts and professional builders alike, this block offers a durable foundation for engine rebuilds or performance upgrades.\u003c\/p\u003e\u003cp\u003eConstructed from robust cast iron, this engine block maintains OEM specifications while providing enhanced strength and reliability. It is ideal for those seeking a direct-fit solution that supports both street and track applications without compromising factory compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Mopar Gen III engine block combines quality materials and precision engineering to meet the demands of high-performance builds. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for superior durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eOEM deck height of 9.750 inches ensuring proper piston-to-head clearance\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores with a standard diameter of 4.120 inches and maximum bore capacity up to 4.165 inches for overbore options\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location compatible with Gen III Hemi configurations\u003c\/li\u003e\n\u003cli\u003eIncludes billet steel main caps with 2-bolt main bolt style for enhanced crankshaft support\u003c\/li\u003e\n\u003cli\u003eEquipped with main studs and Energy main billet caps for improved block rigidity\u003c\/li\u003e\n\u003cli\u003eOne-piece rear main seal design for reliable sealing and reduced oil leaks\u003c\/li\u003e\n\u003cli\u003eFreeze plugs included to protect against coolant expansion damage\u003c\/li\u003e\n\u003cli\u003eCompatible with factory and aftermarket components for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe engine block is crafted from high-grade cast iron, chosen for its excellent wear resistance and ability to withstand high combustion pressures. The block’s deck height and bore dimensions adhere strictly to OEM specifications, ensuring seamless integration with existing components and maintaining factory tolerances.\u003c\/p\u003e\u003cp\u003eBillet steel main caps provide superior strength compared to standard cast caps, reducing flex and improving crankshaft stability under high load conditions. The inclusion of main studs further enhances the block’s structural integrity, making it well-suited for performance applications and forced induction setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Callies Mopar Gen III engine block is designed as a direct replacement for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L to 6.4L Hemi engines, including the 6.1L SRT8, 6.2L Hellcat, and 6.4L 392 variants. It fits seamlessly with factory components, minimizing the need for modifications during installation.\u003c\/p\u003e\u003cp\u003eWhile main bearings and cam bearings are not included, the block comes ready with finished cylinder bores and freeze plugs installed, simplifying the rebuild process. Professional installation is recommended to ensure proper torque specifications and assembly procedures are followed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron Mopar Gen III engine block\u003c\/li\u003e\n\u003cli\u003eBillet steel main caps with main cap fasteners\u003c\/li\u003e\n\u003cli\u003eMain studs for enhanced block rigidity\u003c\/li\u003e\n\u003cli\u003eFreeze plugs installed\u003c\/li\u003e\n\u003cli\u003eOne-piece rear main seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is perfect for performance enthusiasts, engine builders, and professional shops looking to rebuild or upgrade Chrysler Gen III Hemi engines. It supports a wide range of applications, from daily drivers to high-performance street and track vehicles, including Mopar muscle cars and trucks requiring a reliable and strong foundation for their powerplants.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541360852,"sku":"S0033","price":2772.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4685_cpi-s0033_xl_d441845d-2996-464e-bed9-3071fb1ee358.webp?v=1766655021"},{"product_id":"callies-mopar-engine-blocks-05045475ag-mskit-cpi-s0032","title":"Callies Mopar Gen III Cast Iron Engine Block w\/ OptiTorque Main Stud Kit: Fits most Hemi Models","description":"\u003ch3\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003eChrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eS0032\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is a premium replacement block designed specifically for Mopar’s Gen III Hemi engines, including the 5.7L Hemi, 6.1L SRT8, 6.4L 392, and the high-performance 6.2L Hellcat and Trackhawk variants. Crafted for enthusiasts and professional builders seeking durability and reliability, this block offers a direct OEM-style fit with enhanced strength and precision. It comes paired with an OptiTorque main stud kit to ensure superior main cap retention under high-stress conditions, making it ideal for performance builds and engine rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the demands of high-performance Mopar engines, this engine block delivers robust construction and precise engineering. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for exceptional strength and durability\u003c\/li\u003e\n\u003cli\u003eOEM-style 9.750-inch deck height for compatibility with factory components\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores with a standard 4.100-inch bore diameter, allowing for precise machining up to a maximum of 4.165 inches\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location with no raised cam option\u003c\/li\u003e\n\u003cli\u003eBillet steel 2-bolt main caps included for enhanced bottom-end stability\u003c\/li\u003e\n\u003cli\u003eOptiTorque main stud kit included for superior main cap fastening and improved engine reliability\u003c\/li\u003e\n\u003cli\u003eFreeze plugs included for complete block assembly\u003c\/li\u003e\n\u003cli\u003e1-piece rear main seal style for effective sealing and reduced oil leaks\u003c\/li\u003e\n\u003cli\u003eRemanufactured block not applicable; this is a brand-new casting\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is constructed from high-quality cast iron, chosen for its excellent wear resistance and ability to withstand the rigors of high-performance applications. The block features OEM deck height and bore dimensions to ensure seamless integration with existing Mopar Gen III components. The billet steel main caps provide superior strength and rigidity compared to stock cast caps, reducing flex and maintaining crankshaft alignment under extreme loads. The OptiTorque main stud kit enhances clamping force on the main caps, improving durability and reliability during aggressive driving or racing conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is designed as a direct replacement for factory Gen III Hemi blocks, ensuring straightforward installation with no modifications required for compatible engines. It fits Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat or Trackhawk engines. While main bearings and cam bearings are not included, the block comes fully prepared with finished cylinder bores and freeze plugs installed, simplifying the assembly process for engine builders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/li\u003e\n\u003cli\u003eBillet steel 2-bolt main caps\u003c\/li\u003e\n\u003cli\u003eOptiTorque main stud kit\u003c\/li\u003e\n\u003cli\u003eMain cap fasteners\u003c\/li\u003e\n\u003cli\u003eFreeze plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is ideal for Mopar enthusiasts, professional engine builders, and performance tuners looking to rebuild or upgrade Gen III Hemi engines with a focus on strength and reliability. It suits applications ranging from street performance to track use, including high-horsepower builds requiring enhanced bottom-end durability.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541393620,"sku":"S0032","price":2180.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4686_cpi-s0032_xl_d5644a7a-cf9b-48f4-a20c-f13028f1baf8.webp?v=1766655020"},{"product_id":"callies-mopar-engine-blocks-68166434ad-mskit-cpi-s0035","title":"Callies Mopar Gen III Cast Iron Engine Block w\/ OptiTorque Main Stud Kit: Fits most Hemi Models","description":"\u003ch3\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003e2005–Present Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L Hemi \/ 6.1L SRT8 \/ 6.4L 392 \/ 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eS0035\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block with OptiTorque Main Stud Kit is a premium replacement block designed for high-performance Mopar Hemi engines. Engineered to accommodate the 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk powerplants, this block offers a robust foundation for engine builds requiring durability and precision. Ideal for enthusiasts and professional builders alike, it ensures reliable strength and longevity under demanding conditions.\u003c\/p\u003e\u003cp\u003eFeaturing a cast iron construction and OEM deck height, this block maintains factory specifications while enhancing structural integrity. The included OptiTorque main stud kit provides superior clamping force for the main caps, improving bottom-end stability and reducing the risk of failure during high-stress operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Mopar Gen III engine block combines quality materials and thoughtful engineering to meet the needs of performance builders:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron block material for exceptional strength and durability\u003c\/li\u003e\n\u003cli\u003eOEM deck height of 9.250 inches to maintain factory geometry\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores with a 4.100-inch bore size as shipped, ready for final honing\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location compatible with Gen III Hemi configurations\u003c\/li\u003e\n\u003cli\u003eBillet steel main caps included for enhanced rigidity\u003c\/li\u003e\n\u003cli\u003eOptiTorque main stud kit included for superior main cap fastening\u003c\/li\u003e\n\u003cli\u003eOne-piece rear main seal style for reliable sealing and ease of installation\u003c\/li\u003e\n\u003cli\u003eMain cap fasteners included to ensure proper assembly\u003c\/li\u003e\n\u003cli\u003eSold individually, allowing for flexible build options\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe engine block is crafted from high-grade cast iron, chosen for its excellent wear resistance and ability to withstand high combustion pressures. The block’s OEM deck height preserves the original engine geometry, ensuring compatibility with existing components and minimizing the need for custom modifications.\u003c\/p\u003e\u003cp\u003eBillet steel main caps provide a significant upgrade over stock cast caps, offering improved strength and durability to handle increased horsepower and torque. The OptiTorque main stud kit enhances main cap retention, reducing the likelihood of cap walk or loosening under extreme loads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is designed as a direct replacement for Mopar Gen III Hemi engines, including 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk applications. It fits factory engine bays without modification, making it suitable for rebuilds or performance upgrades.\u003c\/p\u003e\u003cp\u003eWhile the block comes with finished cylinder bores, final honing and machining may be required to meet specific build tolerances. Main bearings, cam bearings, and freeze plugs are not included and must be sourced separately. 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Engineered to meet OEM specifications, this robust cast iron block provides a reliable foundation for rebuilding or upgrading your Hemi powerplant. Ideal for enthusiasts and professional builders alike, it offers durability and precision to support high-performance applications and daily driving demands.\u003c\/p\u003e\u003cp\u003eWhether you are restoring a classic Mopar or building a modern muscle car, this engine block delivers the strength and consistency needed to maximize engine longevity and performance potential.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt with quality and precision in mind, the Callies Mopar Cast Iron Engine Block includes the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003eOEM deck height of 9.750 inches for perfect compatibility\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores with a standard bore diameter of 4.120 inches and maximum bore diameter of 4.165 inches\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location with no raised cam option\u003c\/li\u003e\n\u003cli\u003eIncludes billet steel 2-bolt main caps with main cap fasteners installed\u003c\/li\u003e\n\u003cli\u003eRear main seal features a one-piece design for improved sealing\u003c\/li\u003e\n\u003cli\u003eFreeze plugs included for engine block protection\u003c\/li\u003e\n\u003cli\u003eComes with studs, caps, and line honing professionally installed\u003c\/li\u003e\n\u003cli\u003eCompatible with Mopar Hemi Gen III engines, including 5.7L, 6.1L SRT8, 6.2L Hellcat, and 6.4L 392 variants\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is crafted from high-quality cast iron, chosen for its excellent wear resistance and thermal stability under extreme operating conditions. The block’s design adheres strictly to OEM specifications, ensuring seamless integration with existing components and accessories. The inclusion of billet steel main caps enhances structural rigidity, reducing flex and improving crankshaft support during high RPM or high load scenarios.\u003c\/p\u003e\u003cp\u003eFinished cylinder bores and line honing guarantee precise cylinder alignment and optimal piston fitment, which are critical for maintaining compression and minimizing wear. The one-piece rear main seal design helps prevent oil leaks, contributing to a cleaner and more reliable engine operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Cast Iron Engine Block is engineered for direct replacement in most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L to 6.4L Hemi engines. Installation requires standard engine rebuilding procedures and no special modifications to the block itself. It is sold individually and does not include main bearings or cam bearings, so these components must be sourced separately.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure proper torque specifications and alignment, especially given the precision line honing and installed studs and caps. 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Crafted to meet or exceed OEM specifications, this cast iron block offers exceptional durability and strength for high-performance and heavy-duty applications. It is ideal for engine builders and enthusiasts seeking a reliable foundation for rebuilding or upgrading their Mopar Gen III Hemi engines.\u003c\/p\u003e\u003cp\u003eBuilt to withstand the rigors of increased power and torque, this engine block supports a wide range of performance builds, from street-driven muscle cars to track-focused machines. Its robust construction ensures long-lasting performance and reliability under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Callies engine block combines OEM design with high-quality materials and precision engineering to deliver a dependable platform for your Mopar Gen III Hemi build. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003eOEM-style 9.250-inch deck height for compatibility with factory components\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores sized at 4.090 inches, ready for final honing and assembly\u003c\/li\u003e\n\u003cli\u003eIncludes billet steel main caps and main studs for enhanced bottom-end stability\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location with no raised cam option, maintaining factory geometry\u003c\/li\u003e\n\u003cli\u003eOne-piece rear main seal design for improved sealing and ease of installation\u003c\/li\u003e\n\u003cli\u003eMain cap fasteners included to simplify assembly\u003c\/li\u003e\n\u003cli\u003eEngineered to fit multiple Mopar Gen III Hemi engines including 5.7L, 6.1L, 6.4L, and 6.2L variants\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III engine block is constructed from high-grade cast iron, chosen for its excellent wear resistance and ability to handle high cylinder pressures. The block features precision-machined surfaces and finished cylinder bores to ensure optimal piston fitment and sealing. Billet steel main caps provide superior strength over stock cast caps, reducing main bearing movement and enhancing crankshaft stability under high loads.\u003c\/p\u003e\u003cp\u003eDesigned with a standard camshaft location, the block maintains OEM geometry, allowing for straightforward installation of factory or aftermarket camshafts without modification. The 1-piece rear main seal design improves oil retention and simplifies seal replacement during rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is a direct fit replacement for Mopar Gen III Hemi engines in Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L, 6.1L, 6.4L, and 6.2L Hellcat \u0026amp; Trackhawk powerplants. Installation requires standard engine assembly procedures and compatible components. The block comes ready with finished cylinder bores, but final honing and machining may be necessary depending on your build specifications.\u003c\/p\u003e\u003cp\u003eIt includes main studs and billet main caps to facilitate a secure bottom-end assembly. Note that main bearings, cam bearings, and freeze plugs are not included and must be sourced separately. 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Whether rebuilding a street cruiser, upgrading a muscle car, or assembling a race engine, this block provides the strength and reliability needed to support increased power levels and demanding driving conditions.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541491924,"sku":"S0036","price":2791.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4689_cpi-s0035_xl_c0ea9d45-1187-467b-9ca8-cd7bc132cdcc.webp?v=1766655019"},{"product_id":"callies-mopar-engine-blocks-68166434ad-assy-cpi-s0037","title":"Callies Mopar Gen III Cast Iron Engine Block: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (02-26)","description":"\u003ch3\u003eCallies Mopar Gen III Cast Iron Engine Block\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk Models\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eS0037\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III Cast Iron Engine Block is a premium replacement block designed specifically for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L to 6.4L Hemi engines. Engineered to meet or exceed OEM specifications, this cast iron block offers durability and reliability for enthusiasts and professional builders alike. Whether you are rebuilding a high-performance Hemi or restoring a factory engine, this block provides a solid foundation for your project.\u003c\/p\u003e\u003cp\u003eBuilt to accommodate popular Mopar Gen III Hemi engines including the 5.7L, 6.1L SRT8, 6.4L 392, and the supercharged 6.2L Hellcat and Trackhawk variants, this block ensures compatibility and ease of installation. It is ideal for those seeking a direct replacement or a robust platform for performance upgrades.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block combines rugged construction with precise engineering to deliver a dependable base for your Hemi build. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for superior strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eOEM deck height of 9.250 inches, maintaining factory dimensions\u003c\/li\u003e\n\u003cli\u003eFinished cylinder bores sized at 4.100 inches for optimal piston fitment\u003c\/li\u003e\n\u003cli\u003eStandard camshaft location compatible with Gen III Hemi components\u003c\/li\u003e\n\u003cli\u003eIncludes billet steel main caps for enhanced durability under high loads\u003c\/li\u003e\n\u003cli\u003eStuds, main caps, and line honing professionally installed for precision assembly\u003c\/li\u003e\n\u003cli\u003eOne-piece rear main seal design for improved sealing and reduced leaks\u003c\/li\u003e\n\u003cli\u003eSold individually, allowing flexibility for custom engine builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Mopar Gen III engine block is crafted from high-quality cast iron, chosen for its excellent wear resistance and thermal stability. This material ensures the block withstands the stresses of high-performance applications and prolonged use. The inclusion of billet steel main caps adds rigidity to the bottom end, reducing flex and maintaining bearing alignment under extreme conditions.\u003c\/p\u003e\u003cp\u003eEach block is precision machined with finished cylinder bores and line honing already completed, saving valuable time during engine assembly. The OEM deck height and standard camshaft placement preserve compatibility with existing Mopar Gen III components, making this block a direct fit replacement without the need for modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is designed for straightforward installation in most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat or Trackhawk engines. It fits directly with factory and aftermarket Gen III Hemi parts, minimizing the need for custom adjustments. Professional installation is recommended to ensure proper torque specifications and alignment during assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron Mopar Gen III engine block\u003c\/li\u003e\n\u003cli\u003eBillet steel main caps\u003c\/li\u003e\n\u003cli\u003eMain cap fasteners\u003c\/li\u003e\n\u003cli\u003eStuds installed\u003c\/li\u003e\n\u003cli\u003eLine honing completed\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis engine block is perfect for automotive enthusiasts, professional engine builders, and performance shops looking to rebuild or upgrade Mopar Gen III Hemi engines. 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Designed to replace the factory crankshaft, this forged steel component offers superior strength and durability, making it ideal for enthusiasts and professionals seeking reliable powertrain upgrades.\u003c\/p\u003e\u003cp\u003eBuilt to withstand increased horsepower and torque demands, the Compstar crankshaft ensures long-lasting performance under extreme conditions. Whether you are building a street performance engine or a race-ready powerplant, this crankshaft provides the foundation for enhanced engine reliability and efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCallies Compstar crankshafts incorporate advanced engineering and premium materials to deliver exceptional performance and durability. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged from high-grade 4340 steel for maximum strength and toughness\u003c\/li\u003e\n\u003cli\u003eInternal engine balance optimized for smooth operation and reduced vibration\u003c\/li\u003e\n\u003cli\u003eLightened design to improve engine responsiveness and reduce rotational mass\u003c\/li\u003e\n\u003cli\u003eStandard crankshaft snout style for compatibility with OEM components\u003c\/li\u003e\n\u003cli\u003eRequires narrow bearings for proper fitment and performance\u003c\/li\u003e\n\u003cli\u003eRod journal diameter of 2.000 inches and main journal diameter of 2.559 inches\u003c\/li\u003e\n\u003cli\u003e1-piece rear main seal style for reliable sealing and ease of installation\u003c\/li\u003e\n\u003cli\u003eWeight of approximately 52 lbs, balancing durability with manageable mass\u003c\/li\u003e\n\u003cli\u003eSold individually, allowing for custom engine builds and replacements\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is meticulously forged from 4340 steel, a material known for its excellent fatigue resistance and tensile strength, making it a preferred choice for high-performance engine components. The forging process enhances the grain structure of the steel, resulting in a crankshaft that can endure the rigors of high RPMs and increased cylinder pressures.\u003c\/p\u003e\u003cp\u003eThe internal balance design reduces harmonic vibrations, contributing to smoother engine operation and improved longevity of related components. Additionally, the lightened construction reduces rotational inertia, allowing the engine to rev more freely and respond quicker to throttle inputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Compstar crankshaft is designed to fit a broad range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines. Installation requires the use of narrow bearings, which are not included and must be sourced separately. Rod and main bearings are also sold separately, allowing builders to select bearings that best suit their application.\u003c\/p\u003e\u003cp\u003eInstallation should be performed by a qualified engine builder or technician to ensure proper clearances and alignment. The crankshaft’s 1-piece rear main seal style and standard snout ensure compatibility with OEM seals and accessories, simplifying the swap process.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne forged 4340 steel crankshaft\u003c\/li\u003e\n\u003cli\u003eMechanical and electrical failure coverage plan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is ideal for performance enthusiasts, engine builders, and professional racers upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram Hemi engines. It is well-suited for applications requiring enhanced durability and strength, including street performance, drag racing, road racing, and off-road builds where reliability under high stress is critical.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541557460,"sku":"YY12E48-CS","price":1011.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4691_cpi-yy12e48-cs_xl_2bde5bb2-b407-4fe9-a6e8-746edf28d816.webp?v=1766655018"},{"product_id":"callies-compstar-crankshafts-yyk-e1q-cs-cpi-yyk-e1q-cs","title":"Callies Compstar Forged 4340 Steel Crankshaft: Fits Chrysler \/ Dodge \/ Jeep \/ Ram (02-26)","description":"\u003ch3\u003eCallies Compstar Forged 4340 Steel Crankshaft\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYYK-E1Q-CS\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Compstar Forged 4340 Steel Crankshaft is engineered for high-performance applications in a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L to 6.4L Hemi engines, including the 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk models. Designed to withstand the rigors of aggressive driving and racing conditions, this crankshaft offers enhanced strength and durability compared to stock components. It is ideal for enthusiasts and professional builders seeking a reliable foundation for engine upgrades or rebuilds.\u003c\/p\u003e\u003cp\u003eWith a 3.800-inch stroke and forged from premium 4340 steel, this crankshaft delivers exceptional toughness and fatigue resistance. Its internal engine balance and lightened design contribute to smoother operation and improved engine response, making it a top choice for performance builds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft combines advanced materials and precision engineering to meet the demands of high-output Hemi engines. Key features include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged 4340 steel construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003e3.800-inch stroke optimized for increased displacement and torque\u003c\/li\u003e\n\u003cli\u003eInternal engine balance for smooth and reliable operation\u003c\/li\u003e\n\u003cli\u003eLightened design reduces rotating mass, enhancing throttle response\u003c\/li\u003e\n\u003cli\u003eStandard crankshaft snout style for compatibility with OEM components\u003c\/li\u003e\n\u003cli\u003eRequires narrow bearings for proper fitment\u003c\/li\u003e\n\u003cli\u003eRod journal diameter of 2.100 inches and main journal diameter of 2.559 inches\u003c\/li\u003e\n\u003cli\u003e1-piece rear main seal style for simplified sealing and maintenance\u003c\/li\u003e\n\u003cli\u003eWeight of approximately 52 lbs, balancing strength and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Compstar crankshaft is meticulously forged from 4340 chromoly steel, a material renowned for its high tensile strength and resistance to wear and fatigue. This forging process ensures a dense, uniform grain structure, providing enhanced durability under extreme loads. The crankshaft undergoes precision machining to exact tolerances, ensuring optimal journal finishes and dimensional accuracy for reliable bearing fitment and long service life.\u003c\/p\u003e\u003cp\u003eIts internal balance design reduces vibrations and stress on engine components, contributing to smoother operation and improved longevity. The lightened crankshaft design minimizes rotational inertia, allowing the engine to rev more freely and respond quicker to throttle inputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is designed as a direct fit replacement for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines. Installation requires the use of narrow bearings, which are not included, so ensure proper bearing selection for your build. Rod bearings and main bearings are also sold separately.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to ensure proper torque specifications and clearances are met. The crankshaft’s standard snout style allows compatibility with factory harmonic balancers and timing components, simplifying the upgrade process.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne forged 4340 steel crankshaft\u003c\/li\u003e\n\u003cli\u003eMechanical and electrical failure coverage plan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is perfect for performance enthusiasts, engine builders, and racers who demand a robust and reliable rotating assembly component for their Hemi-powered vehicles. Whether upgrading a street machine, building a drag racer, or restoring a high-performance engine, the Callies Compstar crankshaft provides the strength and precision needed to handle increased power and torque.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541590228,"sku":"YYK-E1Q-CS","price":1196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4692_cpi-yy12e48-cs_xl_55c2e99b-f0a8-4ffb-997c-5219c2b2f79b.webp?v=1766655017"},{"product_id":"callies-compstar-crankshafts-yyk-e18-cs-cpi-yyke18-cs","title":"Callies Forged 4340 Steel Crankshaft: Fits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L-6.4L Hemi Models","description":"\u003ch3\u003eCallies Forged 4340 Steel Crankshaft\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYYKE18-CS\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Forged 4340 Steel Crankshaft is engineered for high-performance applications in a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with Hemi engines from 5.7L to 6.4L, including the 6.1L SRT8, 6.2L Hellcat, and 6.4L 392 variants. Designed to replace factory crankshafts, this premium forged crankshaft offers enhanced strength and durability to withstand the rigors of aggressive driving, racing, and engine builds requiring superior reliability.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders seeking a robust rotating assembly component, this crankshaft delivers improved fatigue resistance and precision balance, ensuring smooth engine operation and longevity under high-stress conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the demands of high-performance Hemi engines, the Callies Forged 4340 Steel Crankshaft includes the following features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from premium forged 4340 steel for exceptional strength and toughness\u003c\/li\u003e\n\u003cli\u003eInternal engine balance optimized for smooth operation and reduced vibration\u003c\/li\u003e\n\u003cli\u003eLightened design to reduce rotational mass and improve throttle response\u003c\/li\u003e\n\u003cli\u003eStandard crankshaft snout style for direct fitment with factory components\u003c\/li\u003e\n\u003cli\u003eEngine stroke of 3.800 inches, compatible with multiple Hemi engine displacements\u003c\/li\u003e\n\u003cli\u003eRod journal diameter of 2.100 inches and main journal diameter of 2.559 inches for precise bearing fitment\u003c\/li\u003e\n\u003cli\u003eRear main seal style is a one-piece design for reliable sealing\u003c\/li\u003e\n\u003cli\u003eRequires narrow bearings (rod and main bearings not included)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 52 lbs, balancing durability and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is meticulously forged from 4340 chromoly steel, a material renowned for its high tensile strength and fatigue resistance, making it an ideal choice for performance engine components. The forging process enhances the grain structure of the steel, resulting in a crankshaft that can endure extreme loads and high RPMs without failure.\u003c\/p\u003e\u003cp\u003eIts internal balance design reduces the need for external balancing weights, contributing to smoother engine operation and less wear on related components. The lightened construction reduces rotational inertia, allowing the engine to rev more freely and respond quicker to throttle inputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Forged 4340 Steel Crankshaft is designed as a direct replacement for factory crankshafts in Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat \u0026amp; Trackhawk engines. Installation requires the use of narrow bearings, which are not included, so ensure compatible bearings are sourced separately.\u003c\/p\u003e\u003cp\u003eProfessional installation is recommended to verify proper clearances and fitment. No modifications to the engine block or related components are typically necessary, making this crankshaft a straightforward upgrade for performance builds or engine rebuilds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne (1) Callies Forged 4340 Steel Crankshaft\u003c\/li\u003e\n\u003cli\u003eMechanical and electrical failure coverage plan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance enthusiasts upgrading or rebuilding Chrysler, Dodge, Jeep, or Ram Hemi engines\u003c\/li\u003e\n\u003cli\u003eEngine builders requiring a durable, high-strength crankshaft for street or track use\u003c\/li\u003e\n\u003cli\u003eRacers and tuners seeking improved engine reliability under high RPM and load conditions\u003c\/li\u003e\n\u003cli\u003eAnyone needing a direct-fit forged crankshaft for 5.7L to 6.4L Hemi engine platforms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541622996,"sku":"YYKE18-CS","price":1011.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4693_cpi-yy12e48-cs_xl_4c1bed54-ce92-462a-a242-cdc1a7aa9865.webp?v=1766655016"},{"product_id":"callies-compstar-crankshafts-yya-e1q-cs-cpi-yya-e1q-cs","title":"Callies Forged 4340 Steel Crankshaft: Fits Most Chrysler \/ Dodge \/ Jeep \/ Ram 5.7L-6.4L Hemi Models","description":"\u003ch3\u003eCallies Forged 4340 Steel Crankshaft\u003c\/h3\u003e\u003cp\u003eFits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat \u0026amp; Trackhawk\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYYA-E1Q-CS\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Forged 4340 Steel Crankshaft is a premium replacement crankshaft engineered for high-performance Chrysler, Dodge, Jeep, and Ram Hemi engines ranging from 5.7L to 6.4L, including the 6.1L SRT8, 6.2L Hellcat, and Trackhawk variants. Designed for enthusiasts and professional builders seeking durability and reliability under extreme conditions, this crankshaft offers a robust solution for engine rebuilds and upgrades.\u003c\/p\u003e\u003cp\u003eIts forged 4340 steel construction ensures superior strength and fatigue resistance compared to cast or billet alternatives, making it ideal for high-horsepower applications. The crankshaft’s internal engine balance and lightened design contribute to smoother operation and improved throttle response, enhancing overall engine performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBuilt to meet the demands of performance and durability, the Callies Forged 4340 Steel Crankshaft includes the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength forged 4340 steel for exceptional toughness\u003c\/li\u003e\n\u003cli\u003eEngine stroke of 4.080 inches optimized for Hemi engine configurations\u003c\/li\u003e\n\u003cli\u003eInternal engine balance for reduced vibrations and smoother running\u003c\/li\u003e\n\u003cli\u003eLightened design to reduce rotational mass and improve throttle response\u003c\/li\u003e\n\u003cli\u003eStandard crankshaft snout style for direct fitment with OEM components\u003c\/li\u003e\n\u003cli\u003eRequires narrow bearings for proper installation (bearings not included)\u003c\/li\u003e\n\u003cli\u003eRod journal diameter of 2.100 inches and main journal diameter of 2.559 inches\u003c\/li\u003e\n\u003cli\u003eRear main seal style is 1-piece for reliable sealing\u003c\/li\u003e\n\u003cli\u003eWeight approximately 52 lbs, sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is precision forged from 4340 steel, a material known for its excellent strength-to-weight ratio and resistance to wear and fatigue. The forging process aligns the steel grain structure, enhancing durability and toughness critical for high-performance engines. The crankshaft is internally balanced, which reduces harmonic vibrations and contributes to engine longevity and smoothness.\u003c\/p\u003e\u003cp\u003eThe lightened design reduces the overall rotating mass without compromising strength, allowing for quicker engine revving and improved responsiveness. The journals are machined to exacting tolerances to ensure optimal bearing fitment and longevity. The 1-piece rear main seal style simplifies installation and improves sealing reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Callies Forged 4340 Steel Crankshaft is designed as a direct replacement for most Chrysler, Dodge, Jeep, and Ram Hemi engines in the 5.7L to 6.4L range, including the 6.1L SRT8, 6.2L Hellcat, and Trackhawk models. Installation requires the use of narrow bearings, which are not included and must be sourced separately. Proper bearing selection and installation are critical to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003eDue to its standard crankshaft snout style, it fits OEM components without modification. Professional installation is recommended to ensure correct torque specifications and clearances are met.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne Callies Forged 4340 Steel Crankshaft (part # YYA-E1Q-CS)\u003c\/li\u003e\n\u003cli\u003eMechanical and electrical failure coverage plan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis crankshaft is ideal for performance enthusiasts, engine builders, and professional mechanics upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram Hemi engines. It suits applications ranging from street performance to racing and heavy-duty use where enhanced strength and reliability are paramount.\u003c\/p\u003e","brand":"Callies","offers":[{"title":"Default Title","offer_id":47379541655764,"sku":"YYA-E1Q-CS","price":1196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4694_cpi-yy12e48-cs_xl_b05d3332-ad9b-4b1f-88d5-0223a6829e19.webp?v=1766655016"}],"url":"https:\/\/fasthemis.com\/collections\/callies.oembed","provider":"FastHemis","version":"1.0","type":"link"}