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Engines & Components

Engines & Engine Parts

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Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.

Individual Parts

Results 1 - 9 of 9

Rocker Arm Trunnion Upgrade Kit, Upgrade, GM, Gen. 3/4 LS Cathedral or Rectangle Port Rockers, Set of 16

Part Number: CCA-13702-KIT

4.5 out of 5 stars ( 80 )

Estimated Ship Date: Today

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Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Includes Installation Tool, Buick, Cadilac, Chevy, GMC, LS, Kit

Part Number: CCA-13702TL-KIT

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Trunnion Upgrade Kit for GM LS7 and Gen V LT1, Set of 16

Part Number: CCA-13704-KIT

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Rocker Arm Hold-Down Bolt, Internal Allen Head, Steel, Black Oxide, Chevy, Small Block LS, Each

Part Number: CCA-137024

4.0 out of 5 stars ( 5 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Trunnion Upgrade for GM LS7 and GEN V LT1 w/ Disassembly Tool, Kit

Part Number: CCA-13704TL-KIT

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Rocker Arm Bearing, Replacement, Trunnion Bearing Type, Chevy, Each

Part Number: CCA-137022

Not Yet Reviewed

Estimated Ship Date: Today

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Rocker Arm Studs, Steel Alloy, 7/16-14 in. Base Thread, 1.75 in. Effective Stud Length, Kit

Part Number: CCA-13706-KIT

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Rocker Arm Trunnion, Chevy, Each

Part Number: CCA-137021

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Retainer, Rocker Arm Replacement Component, Chevy, Each

Part Number: CCA-137023

Not Yet Reviewed

Estimated Ship Date: Today

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