HEMI EXPERTS OF 20 YEARS

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All Engine Internals

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1652 Results

PPE Main Stud Kit: Dodge Ram (89-98)
PPE Main Stud Kit: Dodge Ram (89-98)
usa
PPE Head Stud Kit: Dodge Cummins 5.9L 12V (1989-1998)
PPE Head Stud Kit: Dodge Cummins 5.9L 12V (1989-1998)
usa
PPE Head Stud Kit: Ram 1998.5-2024 5.9L / 6.7L 24V High Yield
PPE Head Stud Kit: Ram 1998.5-2024 5.9L / 6.7L 24V High Yield
usa
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010

Mishimoto Racing Thermostat Low Temp: Jeep Wrangler 2003-2010 2.4L / 3.8L

Mishimoto

Regular price $76.00 $68.95 9% off

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Mishimoto High-Temperature Thermostat: Dodge Ram 2500 / Ram 3500 1994 - 1998
Mishimoto High-Temperature Thermostat: Dodge Ram 2500 / Ram 3500 1994 - 1998

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-Temperature Thermostat: Dodge Ram 2500 / Ram 3500 1994 - 1998
Mishimoto Low-Temperature Thermostat: Dodge Ram 2500 / Ram 3500 1994 - 1998

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 Racing Thermostat: Jeep Wrangler 2003 - 2010
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010

Mishimoto 70°C Racing Thermostat: Dodge Neon SRT4 2003-2005 2.4L Turbo

Mishimoto

Regular price $76.00 $68.95 9% off

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Mishimoto Silicone Coolant Hose Kit: Ram Cummins 6.7L 2019+ w/ Red
Mishimoto Silicone Coolant Hose Kit: Ram Cummins 6.7L 2019+ w/ Red

Mishimoto Silicone Coolant Hose Kit: Ram 2500 / 3500 19-24 6.7L Diesel w/ Red

Mishimoto

Regular price $352.00 $319.95 9% off

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Mishimoto Aluminum Degas Tank: Ram 6.7L Cummins (13-18) w/ Micro-Wrinkle Black
Mishimoto Aluminum Degas Tank: Ram 6.7L Cummins (13-18) w/ Micro-Wrinkle Black

Mishimoto Aluminum Degas Tank Black: Ram 2500 / 3500 2013-2018 6.7L Diesel

Mishimoto

Regular price $593.00 $538.95 9% off

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Mishimoto Silicone Coolant Hose Kit: Ram Cummins 6.7L 2019+ Black
Mishimoto Silicone Coolant Hose Kit: Ram Cummins 6.7L 2019+ Black

Mishimoto Silicone Coolant Hose Kit: Ram 2500 / 3500 19-24 6.7L Diesel

Mishimoto

Regular price $352.00 $319.95 9% off

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Brian Crower Intake Valves: Dodge Neon SRT-4 (03-05) w/ +1mm SS
Brian Crower Exhaust Valve: Dodge Neon SRT4 (2003-2005)
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Brian Crower Exhaust Valve: Dodge Neon SRT4 (2003-2005)

Brian Crower

$24.63

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Brian Crower Intake Valve: Dodge Neon SRT4 (2003-2005)
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Brian Crower Intake Valve: Dodge Neon SRT4 (2003-2005)

Brian Crower

$24.63

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Brian Crower Exhaust Valve Guides: Dodge Neon SRT-4 (03-05) / PT Cruiser GT (03-07)
Brian Crower Valve Guides 6.0mm Intake: Dodge SRT-4 (Neon 2.0L)
Brian Crower Exhaust Valves: Dodge Neon SRT-4 (03-05)

Brian Crower Exhaust Valves: Dodge Neon SRT4 03-05 2.4L Turbo

Brian Crower

$197.00

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ARP Exhaust Manifold Steel Stud Kit (SRT-4)
ARP Exhaust Manifold Steel Stud Kit (SRT-4)
usa

ARP Exhaust Manifold Steel Stud Kit (SRT-4)

ARP

$156.63

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Cometic Gasket MLS Head Gasket: Dodge Neon SRT-4 2003-2005
Cometic Gasket MLS Head Gasket: Dodge Neon SRT-4 2003-2005
usa

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
usa

Fuel Injector Clinic 3000cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005

Fuel Injector Clinic

Regular price $1,728.00 $1,440.00 17% off

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Eagle Forged Crankshaft: Multiple Chrysler Fitments
Eagle Forged Crankshaft: Multiple Chrysler Fitments

Eagle Forged Crankshaft: Multiple Chrysler Fitments

Eagle

$1,269.99

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Ferrea HEMI Dart/BAE Head: Multiple Chrysler Fitments
Ferrea HEMI Dart/BAE Head: Multiple Chrysler Fitments
Ferrea Super Alloy Exhaust Valve: Multiple Chrysler Fitments
Ferrea Super Alloy Exhaust Valve: Multiple Chrysler Fitments
Ferrea Comp Plus Exhaust Valve Single: Multiple Chrysler Fitments
Ferrea Comp Plus Exhaust Valve Single: Multiple Chrysler Fitments
Ferrea Exhaust Valve Set of 8: N/A
Ferrea Exhaust Valve Set of 8: N/A

Ferrea Exhaust Valve Set of 8: N/A

Ferrea

$235.30

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Ferrea Super Alloy Exhaust Valve Set of 8: N/A
Ferrea Super Alloy Exhaust Valve Set of 8: N/A

Ferrea Super Alloy Exhaust Valve Set of 8: N/A

Ferrea

$431.64

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Ferrea HEMI 426 Intake Valve Set of 8: Multiple Chrysler Fitments
Ferrea HEMI 426 Intake Valve Set of 8: Multiple Chrysler Fitments

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.

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