Engine Internals

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.
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COMP Cams Max-Lift BSR Shaft Rocker Kit Chevy LS7

Regular price $900.99
Sale price $900.99 Regular price
Unit price
COMP Cams is proud to announce another industry first: a bolt-in-ready Bushed Shaft Rocker System...
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COMP Cams Camshaft Set F50Cy Nsr-Na3H-1

Regular price $2,061.99
Sale price $2,061.99 Regular price
Unit price
Max effort street/strip cam set. Strong power gains above 5500-7200+. Full length headers and 3.73+...
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Comp Cams GM LS7 & Gen V LT Trunnion Upgrade Kit

Regular price $234.99
Sale price $234.99 Regular price
Unit price
For GM LS Trunnion Upgrade Kit, see 13702-KIT. Includes virtually the same components as the...
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COMP Cams Trunnion Kit LS-Type Rocker Retrofit

Regular price $201.99
Sale price $201.99 Regular price
Unit price
Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion...
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COMP Cams Camshaft Set F4.6 3V Mod. MT2

Regular price $988.99
Sale price $988.99 Regular price
Unit price
Ford: Grand Marquis 04 - 04 4.6 L Engine, Ford: Expedition 05 - 14 5.4...
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COMP Cams Stage 2 Camshaft 03-08 Chrysler / Dodge / Jeep 5.7L Hemi Engines

Regular price $596.99
Sale price $596.99 Regular price
Unit price
The Gen III Hemi market is rapidly expanding, and the HRT Camshaft Series uses the...
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COMP Cams Stage 1 NSR Camshaft 03-08 Chrysler / Dodge / Jeep 5.7L Hemi Engines

Regular price $596.99
Sale price $596.99 Regular price
Unit price
The Gen III Hemi market is rapidly expanding, and the HRT Camshaft Series uses the...
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COMP Cams Camshaft Set F4.6/5.4D XE274B

Regular price $1,922.99
Sale price $1,922.99 Regular price
Unit price
Max strip and street cams for centrifugal supercharged or nitrous engines. Large gains in power...
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COMP Cams Camshaft Set F4.6S XE270AH-13

Regular price $855.99
Sale price $855.99 Regular price
Unit price
Hot street cam, needs higher gear ratio. 2000+ stall. Intake, exhaust, computer upgrade recommended. Noticeable...
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COMP Cams Camshaft Set F4.6S XE268H-14

Regular price $855.99
Sale price $855.99 Regular price
Unit price
Mild street performance, 3.23-3.55 gears. Good torque and power. Noticeable idle. Requires custom tuning.CatalogUser 1This...
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