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All Engine Internals

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1548 Results

AFE 90MM Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi & 6.4L 392 2013 - 2024
AFE 90MM Throttle Body: Chrysler / Dodge / Jeep / Ram 5.7L Hemi & 6.4L 392 2013 - 2024
Joe Approved
usa

aFe 90MM Throttle Body: Chrysler / Dodge / Jeep / Ram (5.7L Hemi, 6.4L 392 / SRT / SRT8) 2013 - 2026

aFe
5.0 (3)

Regular price $652.50 $522.00 Sale

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per 

AFE 80mm Throttle Body: 300 / Challenger / Charger / Durango / Ram / Grand Cherokee 3.6l V6 2011 - 2024
AFE 80mm Throttle Body: 300 / Challenger / Charger / Durango / Ram / Grand Cherokee 3.6l V6 2011 - 2024
Joe Approved
usa

aFe 80MM Throttle Body: Chrysler / Dodge / Jeep / Ram 3.6L V6 2011 - 2026

aFe
4.5 (2)

Regular price $518.75 $415.00 Sale

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per 

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
usa

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing
4.9 (8)

Regular price $2,524.42 $449.99 Sale

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per 

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (9)

Regular price $562.95 $499.95 Sale

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per 

Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
Cometic Valve Cover Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk
usa
Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
usa

Cometic MLS Head Gaskets (3.950" Bore): Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2026

Cometic Gasket
5.0 (1)

Regular price from $96.54 Sale

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per 

AFE Throttle Body Spacer: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (5.7L Hemi & 6.4L 392)
AFE Throttle Body Spacer: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (5.7L Hemi & 6.4L 392)
usa
Mishimoto Ignition Coil Pack Set (8-Pack) (F&R): Fits 5.7/6.1/6.2/6.4L HEMI 2006-2023
Mishimoto Ignition Coil Pack Set (8-Pack) (F&R): Fits 5.7/6.1/6.2/6.4L HEMI 2006-2023

Mishimoto Hemi Ignition Coils (8-Pack, Dual Plug): Fits Mopar 2006-2023 5.7L/6.1L/6.2L/6.4L

Mishimoto
5.0 (2)

Regular price $297.00 $269.95 Sale

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per 

Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L Hellcat & Trackhawk 2003 - 2025
usa

Cometic Timing Cover Gasket Set: Chrysler / Dodge / Jeep / Ram 5.7L / 6.1L / 6.2L / 6.4L 2003 - 2026

Cometic Gasket
5.0 (1)

Regular price $48.06 $43.25 Sale

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per 

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
Master Kit
usa

Brian Tooley Racing Hemi Master Camshaft Kit: Chrysler / Dodge / Jeep / Ram (6.4L 392 / SRT8 / SRT) 2011 - 2026

Brian Tooley Racing

Regular price $2,524.42 $449.99 Sale

Unit price
per 

Brian Tooley Racing Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Brian Tooley Racing Camshaft Kit: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Master Kit
usa

Brian Tooley Racing Camshaft Kit: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing
5.0 (1)

Regular price $1,231.78 $449.99 Sale

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per 

Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
Cometic Intake Manifold Gasket Set (Pair): Chrysler / Dodge / Jeep 6.1L SRT8 & 6.4L 392 2006 - 2025
usa
Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
usa

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Jeep / Ram (6.4L 392 / SRT8 / SRT) 2011 - 2026

Cometic Gasket
5.0 (3)

Regular price from $96.54 Sale

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per 

Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
usa

Cometic Intake Manifold Gasket Set (PAIR): Dodge / Jeep / Ram (6.2L Hellcat / Trackhawk / TRX) 2015 - 2026

Cometic Gasket
5.0 (3)

Regular price $41.46 $37.32 Sale

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per 

Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Thermostat Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
usa

Cometic Thermostat Gasket: Chrysler / Dodge / Jeep / Ram 5.7L / 6.1L / 6.2L / 6.4L 2003 - 2026

Cometic Gasket
5.0 (2)

Regular price $4.05 $3.64 Sale

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per 

Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Water Pump Mounting Gasket: Chrysler / Dodge / Jeep  / Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
usa
AFE Throttle Body Spacer: Chrysler 300C / Dodge Challenger / Charger & Magnum 2005 - 2024 (5.7L Hemi, 6.1L SRT8 & 6.4L 392)
AFE Throttle Body Spacer: Chrysler 300C / Dodge Challenger / Charger & Magnum 2005 - 2024 (5.7L Hemi, 6.1L SRT8 & 6.4L 392)
usa

aFe Throttle Body Spacer: Fits Dodge / Chrysler / Jeep / Ram (05-26) 5.7L Hemi / SRT8 / 392

aFe
5.0 (2)

Regular price $173.75 $139.00 Sale

Unit price
per 

Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram 6.2L Hellcat / Demon / Trackhawk / TRX 2015 - 2023
usa

Cometic Supercharger Plenum Gasket: Dodge / Jeep / Ram (6.2L Hellcat / Trackhawk / TRX) 2015 - 2026

Cometic Gasket
5.0 (1)

Regular price $54.06 $48.67 Sale

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per 

Cometic Intake Manifold Gaskets (O-Ring/Set): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
Cometic Intake Manifold Gaskets (O-Ring/Set): Chrysler / Dodge / Ram / Jeep 5.7L Hemi 2003 - 2025
usa

Cometic Intake Manifold Gaskets (O-Ring/Set): Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2003 - 2026

Cometic Gasket
5.0 (1)

Regular price $24.01 $21.61 Sale

Unit price
per 

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005-2014

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005-2014

Diablo Sport
4.5 (2)

Regular price $562.95 $499.95 Sale

Unit price
per 

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $562.95 $499.95 Sale

Unit price
per 

Cometic Throttle Body Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
Cometic Throttle Body Gasket: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 2003 - 2025
usa

Cometic Throttle Body Gasket: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 2003 - 2026

Cometic Gasket
5.0 (2)

Regular price $12.11 $10.90 Sale

Unit price
per 

American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392 & 6.2L Hellcat / Trackhawk
usa

American Brother Designs Throttle Body Cover: Chrysler / Dodge / Jeep / Ram 3.6L / 5.7L / 6.2L / 6.4L 2012 - 2026

American Brother Designs
5.0 (1)

Regular price $174.50 $124.00 Sale

Unit price
per 

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
usa

American Brother Designs Engine Bay Tag: Dodge Challenger / Charger / Durango / Viper 2006 - 2026

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 Sale

Unit price
per 

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1000cc Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2004 - 2025

Fuel Injector Clinic

Regular price $914.40 $762.00 Sale

Unit price
per 

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 525cc Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2004 - 2025

Fuel Injector Clinic
5.0 (1)

Regular price $718.80 $599.00 Sale

Unit price
per 

Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep 5.7L Hemi 2003 - 2023
usa

Cometic Oil Pan Gasket w/ Windage Tray: Chrysler / Dodge / Jeep / Ram 5.7L Hemi & L 5.7L Hemi 2003 - 2026

Cometic Gasket
5.0 (1)

Regular price $82.26 $74.04 Sale

Unit price
per 

Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Jeep 6.1L SRT8 2006 - 2010
Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Jeep 6.1L SRT8 2006 - 2010
usa

Cometic MLS Head Gaskets (4.100" Bore): Chrysler / Dodge / Jeep 6.1L SRT8 2005 - 2010

Cometic Gasket
5.0 (1)

Regular price from $96.54 Sale

Unit price
per 

American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2023
usa

American Brother Designs Baffle Cover: Chrysler / Dodge / Jeep / Ram (6.4L 392 / SRT / SRT8) 2011 - 2026

American Brother Designs
5.0 (2)

Regular price $175.50 $99.00 Sale

Unit price
per 

Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep / Ram 5.7L Hemi 2009 - 2025
usa

Brian Tooley Racing Stage 2 Camshaft: Chrysler / Dodge / Jeep 5.7L Hemi 2009 - 2023

Brian Tooley Racing

Regular price $544.49 $449.99 Sale

Unit price
per 

Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat
usa

Cometic Rear Main Seal Set: Chrysler / Dodge / Jeep 5.7L / 6.1L / 6.2L / 6.4L 2003 - 2026

Cometic Gasket
5.0 (1)

Regular price $46.62 $41.96 Sale

Unit price
per 

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.

SELECT YOUR VEHICLE