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.
OMIX Starter 3.6L Direct Fit: Jeep Gladiator/Wrangler 12-25 6.4L/3.6L/3.0L EcoDiesel/2.0L
OMIX
$274.99
- Unit price
- /per
PPE MAP Sensor Relocation Spacer Kit: Ram 2500 / 3500 2019-2024 6.7L Diesel
PPE
$69.99
- Unit price
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PRW Rocker Arm Bolts Set: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$17.99
$14.99
17% off
- Unit price
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PRW Platinum Series SS Shaft-Mount Rocker Arms Kit: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$890.98
$742.48
17% off
- Unit price
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PRW Rocker Arm Shaft Support Kit: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L Hemi w/ Hardware
PRW
Regular price
$144.10
$120.08
17% off
- Unit price
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PRW Platinum Series SS Shaft-Mount Rocker Arms Kit: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$890.99
$742.49
17% off
- Unit price
- /per
PRW Steel Black Oxide Rocker Arm Adjuster Screws: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$8.47
$7.06
17% off
- Unit price
- /per
PRW Steel Rocker Arm Shafts Set: 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk Engines
PRW
Regular price
$395.02
$329.18
17% off
- Unit price
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PRW Sportsman Steel Foot Style Rocker Arms Set: Fits Chrysler / Dodge / Jeep / Ram (02-26)
PRW
Regular price
$464.29
$386.91
17% off
- Unit price
- /per
PRW Rocker Arm Shaft Support Kit: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L Hemi w/ Hardware
PRW
Regular price
$143.70
$119.75
17% off
- Unit price
- /per
Fel-Pro Shaft Repair Sleeve: Fits Most Dodge/Jeep 5.7L/5.2L/3.9L (92-03)
Fel-Pro
$23.30
- Unit price
- /per
Fel-Pro Shaft Repair Sleeve: Fits Most Dodge / Jeep / Ram / Chrysler Models (1997-2026)
Fel-Pro
$23.66
- Unit price
- /per
Holley Fuel Gauge Sender Passenger Side: Chrysler 300 / Dodge Challenger / Charger 2010-2015
Holley
Regular price
$55.37
$35.95
35% off
- Unit price
- /per
Holley Replacement Timing Cover: 5.7L (2009+) / 6.4L (2011+) Engines
Holley
Regular price
$661.95
$610.95
8% off
- Unit price
- /per
Holley Replacement Timing Cover: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10) - 5.7L / 6.1L Engines
Holley
Regular price
$658.95
$599.95
9% off
- Unit price
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Holley Replacement Timing Cover: 5.7L / 6.1L Engines: Fits Chrysler 300 / Dodge Ram 1500 (03-10)
Holley
Regular price
$597.95
$549.95
8% off
- Unit price
- /per
Holley Replacement Plug & Adapter Kit: Chrysler 300 / Dodge Ram 1500 (03-15) w/ Gen III Hemi
Holley
Regular price
$43.26
$40.37
7% off
- Unit price
- /per
Holley Replacement Timing Cover: Fits Dodge / Chrysler 5.7L & 6.4L HEMI (09-Pres)
Holley
Regular price
$661.95
$610.95
8% off
- Unit price
- /per
Holley EFI Coolant Temperature Sensor: Chrysler 300 (2005-2015) / Dodge Ram 1500 (2003-2010)
Holley EFI
Regular price
$13.08
$12.10
7% off
- Unit price
- /per
Rugged Ridge Rocker Guard Body Armor Matte Black (F&R): Jeep Wrangler Unlimited JK 2007-2018
Rugged Ridge
$289.99
- Unit price
- /per
CFR Performance Hellcat Gen 3 MAP Sensor Block-Off Plate: Fits 6.2L Hellcat
CFR Performance
$23.54
- Unit price
- /per
CFR Performance Aluminum MAP Sensor Boost Reference Kit: Fits Most 6.2L Hellcat
CFR Performance
$26.57
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 95A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$221.79
$199.61
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 60A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$210.99
$189.89
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 85A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$221.79
$199.61
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 60A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$210.99
$189.89
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit 75A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$210.99
$189.89
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 85A Bushings (ENGINE): Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$221.79
$199.61
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit w/ 75A Bushings: Jeep Wrangler (07-18)
Innovative Mounts
Regular price
$210.99
$189.89
10% off
- Unit price
- /per
Innovative Mounts Polyurethane Engine Mount Kit: Jeep Wrangler (07-18) - 95A
Innovative Mounts
Regular price
$221.79
$199.61
10% off
- 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.