All Engine Internals
Built for your Chrysler, Dodge, Ram, and Jeep Hemi platforms, our Engine Internals collection offers premium components designed to handle increased power and boost. Whether you’re building a reliable daily driver or a high-performance race engine, these parts deliver the strength and precision needed for long-lasting performance.
Find camshafts, pistons, rods, bearings, cylinder heads, crankshafts, and gasket kits engineered to improve valvetrain control and durability under demanding conditions. Each component supports your build goals, from enhanced power delivery to improved engine response and reliability.
- High-strength pistons and rods
- Precision camshafts for optimized timing
- Durable bearings and gasket kits
- Performance cylinder heads and crankshafts
Shop engine internals for your Hemi platform at FastHemis.
PPE Main Stud & Girdle Bolt Kit Chrome-Moly: Fits Dodge/Ram 2007-2018 6.7L Cummins
PPE
$199.99
- Unit price
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Mishimoto Racing Thermostat Low Temp: Jeep Wrangler 2003-2010 2.4L / 3.8L
Mishimoto
Regular price
$76.00
$68.95
9% off
- Unit price
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Mishimoto High-Temp Thermostat 190°F: Dodge Ram 2500 / 3500 1994-1998 5.9L Cummins
Mishimoto
Regular price
$92.00
$83.95
9% off
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Mishimoto Low-Temp Thermostat 174°F: Dodge Ram 2500 / 3500 1994-1998 5.9L Cummins
Mishimoto
Regular price
$92.00
$83.95
9% off
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Mishimoto 70°C Racing Thermostat: Dodge Neon SRT4 2003-2005 2.4L Turbo
Mishimoto
Regular price
$76.00
$68.95
9% off
- Unit price
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Mishimoto Silicone Coolant Hose Kit: Ram 2500 / 3500 19-24 6.7L Diesel w/ Red
Mishimoto
Regular price
$352.00
$319.95
9% off
- Unit price
- /per
Mishimoto Aluminum Degas Tank Black: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$593.00
$538.95
9% off
- Unit price
- /per
Mishimoto Silicone Coolant Hose Kit: Ram 2500 / 3500 19-24 6.7L Diesel
Mishimoto
Regular price
$352.00
$319.95
9% off
- Unit price
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Brian Crower Intake Valves: Dodge Neon SRT4 03-05 2.4L Turbo w/ +1mm SS
Brian Crower
$197.00
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Brian Crower Exhaust Valve Guides: Dodge Neon SRT4 03-05 2.4L Turbo
Brian Crower
$81.00
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Brian Crower Valve Guides 6.0mm Intake: Dodge Neon SRT4 03-05 2.4L Turbo
Brian Crower
$81.00
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Brian Crower Valves Exhaust: Dodge Neon SRT4 03-05 2.4L Turbo w/ Single Groove 29.5mm
Brian Crower
$197.00
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Cometic Gasket MLS Head Gasket: Dodge Neon SRT-4 2003-2005
Cometic Gasket
Regular price
$112.63
$101.37
10% off
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Fuel Injector Clinic 3000cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005
Fuel Injector Clinic
Regular price
$1,728.00
$1,440.00
17% off
- Unit price
- /per
COMP Cams HRT Turbo Stage 2 Hydraulic Roller Camshaft: Fits Most Dodge/Jeep 6.1L/5.7L (05-10)
COMP Cams
$608.95
- Unit price
- /per
COMP Cams HRT Turbo Stage 1 Hydraulic Roller Camshaft: Fits Most Dodge/Jeep 6.1L/5.7L (05-10)
COMP Cams
$608.95
- Unit price
- /per
COMP Cams HRT Blower Stage 1 Hydraulic Roller Camshaft 03-08 Dodge 5.7/6.1L Hemi
COMP Cams
$608.95
- Unit price
- /per
COMP Cams HRT Blower Stage 2 Hydraulic Roller Camshaft 03-08 Dodge 5.7/6.1L Hemi
COMP Cams
$608.95
- Unit price
- /per
Ferrea Chrysler HEMI 426 2.25in 5/16in 5.472in 0.25in Comp Plus Int Valve - Single (Drop Ship Only)
Ferrea
$29.41
- Unit price
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Ferrea Chrysler HEMI 426 2.25in 5/16in 5.472in 0.25in 24 Deg Flo Comp Plus Intake Valve - Set of 8
Ferrea
$235.30
- Unit price
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Ferrea Chrysler HEMI 426 CID 2.25in 5/16in 5.422in 24 Deg Flo Rad Grv Comp Plus Int Valve - Set of 8
Ferrea
$235.30
- Unit price
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Ferrea HEMI 426 CID 2.25in 5/16in 5.422in Flo Comp Plus Intake Valve Single: N/A
Ferrea
$29.41
- Unit price
- /per
Ferrea Super Alloy Exhaust Valve Set of 8: Multiple Chrysler Fitments (F1526P)
Ferrea
$381.31
- Unit price
- /per
Ferrea HEMI 426 1.9in 5/16in 5.04in 22 Deg Tulip Flo +.100 Comp Plus Exhaust Valve Set
Ferrea
$235.30
- Unit price
- /per
Ferrea Super Alloy Exhaust Valve Set of 8: Multiple Chrysler Fitments (F1531P)
Ferrea
$431.64
- Unit price
- /per
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Essential Engine Internals for Chrysler, Dodge, Ram & Jeep Hemi Builds
Upgrading your engine internals is key to building a durable, high-performance Hemi platform. Whether you’re aiming for a dependable daily driver or a boosted race engine, the right components ensure your build can handle increased power and demanding conditions with confidence.
Why upgrade your engine internals on a Hemi?
Stock engine internals are designed for factory power levels and daily reliability, but pushing your Hemi beyond those limits requires stronger, more precise components. Upgraded pistons, rods, and camshafts improve strength and valvetrain control, reducing the risk of failure under boost or high RPM. This helps maintain engine integrity and extends the life of your build.
- Improved durability under increased power and boost
- Better valvetrain timing and control for performance gains
- Enhanced reliability for street or track use
What should I look for in performance engine internals?
Choosing the right internals depends on your build goals and engine platform. High-strength forged pistons and rods are essential for boosted or high-horsepower applications. Precision-ground camshafts optimize valve timing for improved power delivery. Durable bearings and gasket kits ensure proper sealing and reduce wear. Matching these components to your specific Hemi engine and intended use is critical for a balanced, reliable build.
Building a reliable Hemi engine for boost – key considerations
When building a boosted Hemi, focus on components that handle increased cylinder pressures and heat. Upgrading your internals is just one part of the equation—proper assembly, break-in procedures, and tuning are equally important. Shop FastHemis for quality engine internals designed specifically for Chrysler, Dodge, Ram, and Jeep Hemi platforms to support your performance goals with confidence.