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.
JKS Manufacturing Adjustable Track Bar Rebuild Kit (FRONT): Jeep Grand Cherokee 99-04 4.0L I6
JKS Manufacturing
$34.95
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JKS Manufacturing HD Adjustable Track Bar Rebuild Kit (FRONT): Jeep Grand Cherokee 99-04 4.0L I6
JKS Manufacturing
$53.95
- Unit price
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JKS Adjustable Track Bar Rebuild Kit (REAR): Jeep Grand Cherokee 93-98 5.2L/4.0L
JKS Manufacturing
$20.95
- Unit price
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Yukon Gear & Axle Front Bearing Installation Kit: Jeep Commander/Grand Cherokee 05-10 6.1L/5.7L/3.7L
Yukon Gear & Axle
$360.89
- Unit price
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Cometic Gasket MLS Cylinder Head Gasket 3.950mm Bore: Jeep Grand Cherokee / Wrangler (93-10)
Cometic Gasket
Regular price
$137.55
$123.78
10% off
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AFE SCORCHER High Performance Ignition Coil: Jeep Grand Cherokee / Wrangler 00-06 4.0L I6
aFe
$160.00
- Unit price
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Fel-Pro Engine Coolant Thermostat Housing Gasket: Fits Most Dodge/Jeep 4.0L/2.5L (98-06)
Fel-Pro
$20.27
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Fel-Pro PermaDry Molded Rubber Engine Oil Pan Gasket Set w/ SnapUps: Jeep Grand Cherokee / Wrangler 91-06 4.0L I6
Fel-Pro
$47.54
- Unit price
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Fel-Pro Engine Valve Cover Gasket Set: Jeep Grand Cherokee / Wrangler 96-06 4.0L I6
Fel-Pro
$56.00
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Fel-Pro PermaDry Molded Rubber Engine Oil Pan Gasket Set: Jeep Grand Cherokee 06-10 6.1L SRT8
Fel-Pro
$106.55
- Unit price
- /per
Fel-Pro Intake & Exhaust Manifolds Combo Gasket: Jeep Grand Cherokee / Wrangler 99-06 4.0L I6
Fel-Pro
$33.42
- Unit price
- /per
Fel-Pro PermaTorque MLS Engine Cylinder Head Gasket Set: Jeep Grand Cherokee / Wrangler 99-06 4.0L I6
Fel-Pro
$158.00
- Unit price
- /per
Fel-Pro PermaTorque MLS Engine Cylinder Head Gasket: Jeep Grand Cherokee / Wrangler 91-06 4.0L I6
Fel-Pro
$82.13
- Unit price
- /per
Fel-Pro Fuel Injection Throttle Body Mounting Gasket: Fits Most Dodge/Jeep 8.0L/4.0L/2.5L (91-06)
Fel-Pro
$18.11
- Unit price
- /per
Fel-Pro Engine Timing Cover Gasket Set: Fits Most Dodge/Jeep 4.0L/2.5L (91-06)
Fel-Pro
$40.94
- Unit price
- /per
Fel-Pro Engine Valve Stem Oil Seal Set: Fits Most Dodge/Jeep 4.0L/3.9L (92-06)
Fel-Pro
$33.83
- Unit price
- /per
Fel-Pro Engine Conversion Gasket Set: Jeep Grand Cherokee / Wrangler 00-06 4.0L I6
Fel-Pro
$129.32
- Unit price
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Fel-Pro Engine Oil Filter Adapter Seal: Jeep Grand Cherokee / Wrangler 91-06 4.0L I6
Fel-Pro
$17.42
- Unit price
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Fel-Pro Exhaust Pipe Flange Gasket: Fits Most Dodge/Jeep 4.0L/2.5L (91-06)
Fel-Pro
$27.95
- Unit price
- /per
Fel-Pro Engine Crankshaft Seal Kit: Jeep Grand Cherokee / Wrangler 00-06 4.0L I6
Fel-Pro
$38.42
- Unit price
- /per
Fel-Pro Engine Gasket Set: Jeep Grand Cherokee / Wrangler 04-06 4.0L I6
Fel-Pro
$252.83
- Unit price
- /per
Fel-Pro Engine Water Pump Gasket: Fits Most Dodge/Jeep 4.0L/2.5L (94-06)
Fel-Pro
$18.61
- Unit price
- /per
Fel-Pro Engine Timing Cover Gasket Set: Fits Most Jeep / Dodge Models (1993-2006) (TCS45117)
Fel-Pro
$28.74
- Unit price
- /per
Fel-Pro Engine Conversion Gasket Set: Jeep Grand Cherokee 06-10 6.1L SRT8
Fel-Pro
$250.76
- Unit price
- /per
Fel-Pro Engine Oil Filter Adapter Seal Set: Jeep Grand Cherokee / Wrangler 91-06 4.0L I6
Fel-Pro
$20.50
- Unit price
- /per
Fel-Pro Exhaust Pipe Flange Gasket: Jeep Grand Cherokee/Wrangler 91-06 4.0L/2.5L
Fel-Pro
$21.60
- Unit price
- /per
Fel-Pro Engine Coolant Outlet Gasket: Fits Most Dodge/Jeep 5.7L/5.2L/3.9L (92-03)
Fel-Pro
$17.84
- Unit price
- /per
Fel-Pro Air Cleaner Mounting Gasket: Dodge Dakota/Durango/Ram 1500 00-01 5.2L/3.9L
Fel-Pro
$17.88
- Unit price
- /per
Fel-Pro PermaTorque Engine Cylinder Head Gasket Set: Fits Most Dodge/Jeep 5.2L V8 (92-97)
Fel-Pro
$158.90
- Unit price
- /per
Fel-Pro Engine Intake Manifold Gasket Set: Fits Most Dodge/Jeep 5.2L V8 (92-97)
Fel-Pro
$45.14
- Unit price
- /per
Fel-Pro Engine Timing Cover Gasket Set: Fits Most Dodge/Jeep 5.2L/3.9L (92-96)
Fel-Pro
$28.37
- Unit price
- /per
Fel-Pro Engine Conversion Gasket Set: Fits Most Dodge/Jeep 5.2L V8 (92-96)
Fel-Pro
$85.21
- Unit price
- /per
Fel-Pro Engine Timing Cover Gasket Set: Fits Most Dodge/Jeep 5.2L/3.9L (92-96)
Fel-Pro
$36.01
- Unit price
- /per
Fel-Pro Engine Conversion Gasket Set: Fits Most Dodge Ram 1500 Models (1994-2001)
Fel-Pro
$88.06
- Unit price
- /per
Rugged Ridge Stainless Steel Door Hinge Kit: Jeep Wrangler 07-17 3.8L/3.6L
Rugged Ridge
$779.99
- Unit price
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Rugged Ridge Stainless Steel Door Hinge Kit: Jeep Wrangler 07-18 3.8L/3.6L/2.0L w/ Hardware
Rugged Ridge
$419.99
- Unit price
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Rugged Ridge Textured Black Hinge Cover Set: Jeep Wrangler 07-18 3.8L/3.6L/2.0L
Rugged Ridge
$119.99
- Unit price
- /per
Rugged Ridge Torx Tool Set w/ Pouch: Jeep Wrangler 07-17 3.8L/3.6L
Rugged Ridge
$35.99
- 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.