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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 - 25 of 30

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 283/297, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8711-1DS

5.0 out of 5 stars ( 1 )

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Spacer and Adapters, LS Valve Cover, Adapter, Perimeter Bolt, Cast Aluminum, 1.385 in. Thick, Black, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-241-297

1.0 out of 5 stars ( 1 )

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This product may not be eligible for select promotional offers

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 283/297, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8711-2-DLTI

Not Yet Reviewed

Cannot be shipped Internationally

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Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 283/297, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8711-2-DLSTL

Not Yet Reviewed

Cannot be shipped Internationally

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Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113.5 +3.5 .625/.605 Lift, Great Power, 3-bolt, 4.8-7.0L , Vortec LS1 LS2 LS6 LS7 LQ9 LS9

Part Number: SUM-8711R1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 281/297, Lift .617/.624, Chevy, Small Block, LS, Each

Part Number: CCA-54-469-11

4.0 out of 5 stars ( 1 )

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This product may not be eligible for select promotional offers

Camshaft, Big Daddy Rattler, LS-Series, Hydraulic/OE Roller, 3 Bolt, Street/Strip, Lopey Idle, 290/297 Duration, 0.625 in. Lift, 103 Centerline, Each

Part Number: HRS-198135-09

Not Yet Reviewed

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 284/297, Lift .625/.625, Chevy, Small Block LS, Each

Part Number: HRS-190805-15

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Camshaft, Hydraulic Roller Tappet, Advertised Duration 284/297, Lift .625/.625, Chevy, Small Block LS, Each

Part Number: HRS-190915-16

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Stage 4.5 Pro LS Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Each

Part Number: SUM-8724R1

Not Yet Reviewed

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Cam and Lifter kit, Stage 4 Pro LS Cam, Extra Valve Clearance Version, 234/248 113 +3.5 .625/.605 Lift, 3-bolt, 4.8-7.0L ,LS1 LS2 LS6 LS7 LSA LQ9 LS9

Part Number: SUM-K8711R1

Not Yet Reviewed

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Pro LS Big Gun 1 Hydraulic Roller Cam, Stage 4.5 , 240/247, 115.5 + 5.5, .625/.605 with 1.7, .662/.641 with 1.8, 3700-7100+ RPM, 6.2+, Each

Part Number: SUM-8729R1

Not Yet Reviewed

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SUM-8724 Level 1 Cam Kit, Dual Springs, Ti. Ret., Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-1-DLTI

Not Yet Reviewed

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SUM-8724 Level 2 Cam Kit, Dual Springs, St. Ret. Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-2-DLSTL

Not Yet Reviewed

Cannot be shipped Internationally

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Cam and Lifter kit, Stage 4.5 Pro LS Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Each

Part Number: SUM-K8724R1

Not Yet Reviewed

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SUM-8724 Level 1 Cam Kit, Beehive Springs, Seals, Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-1-BHV

Not Yet Reviewed

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SUM-8724 Level 1 Cam Kit, Dual Springs, St. Ret., Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-1-DLSTL

Not Yet Reviewed

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SUM-8724 Level 2 Cam Kit, Beehive Springs, Seals, Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-2-BHV

Not Yet Reviewed

Cannot be shipped Internationally

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Pro LS Solid Roller Cam 3, 252 Int. / 264 Exh., 113 LSA + 3 Adv., .707/.707 lift with 1.7 rocker, .749/.749 with 1.8 with SUM-174012DP-16 Springs

Part Number: SUM-8700SR3

Not Yet Reviewed

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Pro LS Solid Roller Cam 3 SP, 252 Int. / 264 Exh., 109 LSA + 3 Adv., .707/.707 lift with 1.7 rocker, .749/.749 with 1.8 with SUM-174012DP-16 Springs

Part Number: SUM-8700SR3SP

Not Yet Reviewed

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SUM-8724 Level 2 Cam Kit, Dual Springs, Ti. Ret. Pro LS Stage 4.5 Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8724-2-DLTI

Not Yet Reviewed

Cannot be shipped Internationally

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Camshaft, Stage 2 LST, Hydraulic Roller Tappet, Advertised Duration 292/297, Lift .632/.627, Chevy, Small Block, Each

Part Number: CCA-54-303-11

Not Yet Reviewed

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This product may not be eligible for select promotional offers

Camshaft, Stage 2 LST, Hydraulic Roller Tappet, Advertised Duration 292/297, Lift .663/.638, Chevy, Small Block, Each

Part Number: CCA-189-303-13

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

This product may not be eligible for select promotional offers

Cam and Lifter KIt Muscle Car Replacement BBC Flat tappet Mechanical, L-78,L-72, LS-6 375HP 396 HP Cam with Lifters

Part Number: SUM-K1321

Not Yet Reviewed

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