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...

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13702-KIT

COMP Cams Retrofit Trunnion Kits for GM LS Series 13702-KIT

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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COMP Cams Thumpr LS Master Camshaft Packages MK54-702-11

Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 280 Int./299 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-MK54-702-11

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13702TL-KIT

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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COMP Cams Thumpr LS Master Camshaft Packages MK54-701-11

Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 276 Int./295 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-MK54-701-11

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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COMP Cams Thumpr LS Master Camshaft Packages MK54-700-11

Camshaft Kits, Thumpr LS Master Camshaft Packages, Hydraulic Roller Tappet, 272 Int./291 Exh. Advertised Duration, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-MK54-700-11

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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COMP Cams Accessory Belt Tensioners for GM LS 54021

Belt Tensioner, Billet Steel, 6-rib Serpentine, Chevy, Pontiac, Each

Part Number: CCA-54021

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

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COMP Cams Thumpr LS Camshaft Packages CK54-700-11

Camshaft Kits, Thumpr LS Camshaft Packages, Hydraulic Roller Tappet, 272 Int./291 Exh. Advertised Duration, Pushrods, Chevrolet, 4.8L, 5.3L, 6.0L, Kit

Part Number: CCA-CK54-700-11

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ LS Engine Custom Grinds, by COMP Cams SUMLSGT104

Camshaft, Hydraulic Roller Tappet, Advertised Duration 283/291, Lift .602/.605, Chevy, LS, Each

Part Number: CCA-SUMLSGT104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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COMP Cams Trunnion-Upgraded OEM Rocker Arms for GM LS 1479-16

Rocker Arms, Upgraded Trunnion, Stud Mount, 1.8 Ratio, Roller Fulcrum, Steel, Black Oxide, Chevy, LS7, Set of 16

Part Number: CCA-1479-16

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13704-KIT

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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COMP Cams Trunnion-Upgraded OEM Rocker Arms for GM LS 1478-16

Rocker Arms, Upgraded Trunnion, Stud Mount, 1.7 Ratio, Roller Fulcrum, Steel, Black Oxide, Chevy, LS3, Set of 16

Part Number: CCA-1478-16

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams Trunnion-Upgraded OEM Rocker Arms for GM LS 1477-16

Rocker Arms, Upgraded Trunnion, Stud Mount, 1.7 Ratio, Roller Fulcrum, Steel, Black Oxide, Chevy, LS1, Set of 16

Part Number: CCA-1477-16

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams LS Cam Gear and Lock Plate Kits 2102CG

Timing Gears, Cam Gear and Lock Plate, 3-Bolt Camshaft Gear, 58x, Lock Plate, Bolts, Steel, Chevrolet, LS, Kit

Part Number: CCA-2102CG

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams Retrofit Trunnion Kits for GM LS Series 13704TL-KIT

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

Part Number: CCA-13704TL-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

COMP Cams LS Replacement Timing Chains 9132

Timing Chains, LS Repalcement Timing Chains, Chevrolet, Small Block LS, Each

Part Number: CCA-9132

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

COMP Cams Trunnion-Upgraded OEM Rocker Arms for GM LS 1478-1

Rocker Arms, Upgraded OEM Rocker Arms for GM LS, Roller Fulcrum, Steel, Black Oxide, 1.7 Ratio, Chevrolet, 6.2L, Each

Part Number: CCA-1478-1

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

COMP Cams Evolution Series Hydraulic Roller Lifters 85001-16

Lifters, Evolution OE-Style, OE Roller Block, No Link Bar, Hydraulic Roller, 1987 -up SBC, Gen II, Gen III, Gen IV, Gen V, LS, LT, Set of 16

Part Number: CCA-85001-16

Not Yet Reviewed

Estimated Ship Date: Today

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COMP Cams Keyway Adjustable Billet Timing Sets 7106-5

Timing Chain and Gears, Keyway Adjustable, Double Roller, Billet Steel Sprockets, Chevy, Small Block LS, Kit

Part Number: CCA-7106-5

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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COMP Cams Max-Lift BSR Shaft Rocker Systems 1982-16

Rocker Arms, Shaft Mount, Steel, 1.7 Ratio, Chevy, LS, Kit

Part Number: CCA-1982-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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COMP Cams Short Travel XD Hydraulic Roller Lifters 15956XD-16

Lifters, Short Travel XD Hydraulic Roller, Horizontal Link Bar, 0.842 in. O.D., Chevy, GMC, Small Block LS, Set of 16

Part Number: CCA-15956XD-16

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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COMP Cams Evolution Series Hydraulic Roller Lifters 89571-16

Lifters, Evolution Series Hydraulic Roller, 0.842 in. O.D., 2.660 in. Lifter Seat Height, LSX and Warhawk Blocks, Chevrolet, Small Block LS, Set of 16

Part Number: CCA-89571-16

Not Yet Reviewed

Estimated Ship Date: Today