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.
Ferrea Chrysler HEMI Dart/BAE Head 1.925in 3/8in 5.019in 22 Deg Flo Super Alloy Exh Valve - Set of 8
Ferrea
$431.64
- Unit price
- /per
Ferrea HEMI 426 S-Flo Radial Groove Lightweight Competition Plus Intake Valve Set of 8: N/A
Ferrea
$228.40
- Unit price
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Manley Performance Dodge Neon SRT-4 2.4 I4 DOHC Turbo Tuff Pro Series I Beam Connecting Rod Set
Manley Performance
Regular price
$1,083.05
$1,028.90
5% off
- Unit price
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Cometic MLX Head Gasket (4.327" Bore, .054" Thickness): Ram 2500 & 3500 6.7L Diesel 2019 - 2025
Cometic Gasket
Regular price
$256.03
$230.43
10% off
- Unit price
- /per
DeatschWerks 1200cc Fuel Injectors (Set of 10): Dodge Viper 92-16 8.4L/8.0L
Deatschwerks
$1,129.65
- Unit price
- /per
DeatschWerks 42lb Fuel Injectors (Set of 10): Dodge Viper 92-02 8.0L V10
Deatschwerks
$594.15
- Unit price
- /per
DeatschWerks 65lb Fuel Injectors (Set of 10): Dodge Viper 92-02 8.0L V10
Deatschwerks
$594.15
- Unit price
- /per
DeatschWerks 90lb Fuel Injectors (Set of 10): Dodge Viper 92-02 8.0L V10
Deatschwerks
$789.65
- Unit price
- /per
DeatschWerks 50lb Fuel Injectors (Set of 10): Dodge Viper 92-02 8.0L V10
Deatschwerks
$594.15
- Unit price
- /per
DeatschWerks 650cc Fuel Injectors (Set of 4): Dodge Neon SRT4 03-05 2.4L Turbo
Deatschwerks
$305.15
- Unit price
- /per
DeatschWerks 750cc Fuel Injectors (Set of 4): Dodge Neon SRT4 03-05 2.4L Turbo
Deatschwerks
$339.15
- Unit price
- /per
DeatschWerks 1500cc Fuel Injectors (Set of 4): Dodge Neon SRT4 03-05 2.4L Turbo
Deatschwerks
$730.15
- Unit price
- /per
DeatschWerks 1250cc Fuel Injectors (Set of 10): Dodge Viper 92-16 8.4L/8.0L
Deatschwerks
$1,129.65
- Unit price
- /per
DeatschWerks 1250cc Fuel Injectors (Set of 4): Dodge Neon SRT4 03-05 2.4L Turbo
Deatschwerks
$483.65
- Unit price
- /per
Cometic MLS Head Gasket: Dodge Viper (1996-2006)
Cometic Gasket
Regular price
$220.11
$198.10
10% off
- Unit price
- /per
Cometic MLS Exhaust Gasket GEN II: Dodge Viper (1996-2006) - 0.020in
Cometic Gasket
Regular price
$38.01
$34.21
10% off
- Unit price
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Cometic MLS Head Gasket 103.12mm Bore 0.120in: Dodge Viper (1996-2006)
Cometic Gasket
Regular price
$308.34
$277.52
10% off
- Unit price
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Cometic Gasket .120" MLS Gen1 Head Gasket: Dodge Viper (1992-2002)
Cometic Gasket
Regular price
$308.34
$277.52
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.030" Bore, .051" Thickness): Dodge Viper 8.0L V10 1992 - 1996
Cometic Gasket
Regular price
$237.25
$213.52
10% off
- Unit price
- /per
Cometic MLS Head Gaskets (4.125" Bore, .045" Thickness): Dodge Viper 8.4L V10 2008 - 2017
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic MLS Head Gasket 4.165" Bore .051" Thickness: Dodge Viper 1992-2002
Cometic Gasket
Regular price
$237.25
$213.52
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.060" Bore, .027" Thickness): Dodge Viper 8.0L V10 1992 - 2002
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.030" Bore, .040" Thickness): Dodge Viper 8.0L V10 1992 - 1996
Cometic Gasket
Regular price
$225.95
$203.35
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.060" Bore, .040" Thickness): Dodge Viper 8.0L V10 1992 - 2002
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic Gasket 4.060" Bore .045 MLS Head Gasket: Dodge Viper (1996-2006)
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic Gasket MLS Head Gasket 4.060" Bore .030" Thickness: Dodge Viper 1996-2006
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic Gasket MLS Head Gasket 4.060" Bore .056" Thickness: Dodge Viper 1996-2006
Cometic Gasket
Regular price
$184.80
$166.32
10% off
- Unit price
- /per
Cometic MLS 4.060" Bore .060" Head Gasket: Dodge Viper 1996-2006 8.0L & 8.3L V10
Cometic Gasket
Regular price
$184.80
$166.32
10% off
- Unit price
- /per
Cometic Gasket MLS 4.060" Bore .070" Head Gasket: Dodge Viper 1996-2006 V10
Cometic Gasket
Regular price
$184.80
$166.32
10% off
- Unit price
- /per
Cometic Gasket MLS 4.060" Bore .080" Head Gasket: Dodge Viper (1996-2006)
Cometic Gasket
Regular price
$196.49
$176.84
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.125" Bore, .030" Thickness): Dodge Viper 8.0L V10 1992 - 2002
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.125" Bore, .051" Thickness): Dodge Viper 8.0L V10 1992 - 2002
Cometic Gasket
Regular price
$149.23
$134.31
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.125" Bore, .060" Thickness): Dodge Viper 8.0L V10 1992 - 2002
Cometic Gasket
Regular price
$184.80
$166.32
10% off
- Unit price
- /per
Cometic MLS Head Gasket (4.165" Bore, .051" Thickness): Dodge Viper 8.0L V10 1997 - 2002
Cometic Gasket
Regular price
$149.23
$134.31
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.