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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Holley Mid-Mount Complete Accessory Drive System for LS 4.8L-7.0L with A/C, Power Steering, & Alternator 20-185BK

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185BK

4.71 out of 5 stars ( 28 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Summit Racing™ LS Front Drive Serpentine Kits SUM-CSUMLS101

Serpentine Kit, Standard Ratio, Steel, Black, 508 Air conditioning Compressor, Aluminum Brackets, Chevy, Kit

Part Number: SUM-CSUMLS101

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

March Performance Chevy LS Series Serpentine Kits 20095-08

Pulleys, Chevy LS Series, Serpentine, Performance Ratio, Billet Aluminum, Black, Water Pump, Alternator, With Power Steering and Air Conditioning, Kit

Part Number: MCH-20095-08

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Eddie Motorsports LS Chevy S-Drive Serpentine Pulley Drive Systems MS117-90P

Accessory Drive Systems, LS Chevy S-Drive Serpentine Pulley Drive Systems, Pulleys, Alternator, Power Steering Pump, Chevrolet, Small Block LS, Kit

Part Number: EMS-MS117-90P

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Eddie Motorsports Raven Series LS Chevy S-Drive Serpentine Pulley Drive Systems MS118-90BK

Pulley Kit,serpentine,Chevy LS ,Aluminum,AC,Power steering-Plastic Reservoir,170A alternator,Gloss black

Part Number: EMS-MS118-90BK

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Tensioner Assemblies 97-179

Accessory Belt Tensioners, Holley, Replacement, Tensioner Assembly, Cast Aluminum, Smooth Pulley, for LS Accessory Drives Only, GM, LS, 4.8-7.0L, Each

Part Number: HLY-97-179

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

March Performance Chevy LS Series Serpentine Kits 20085-08

Pulleys, Chevy LS Series, Serpentine, Performance Ratio, Billet Aluminum, Black, Water Pump, Alternator, With Power Steering, No Air Conditioning, Kit

Part Number: MCH-20085-08

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley Mid-Mount Complete Accessory Systems 20-185

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Power Steering, AC, SD-7, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-185

4.71 out of 5 stars ( 28 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley Mid LSA/LS Power Steering Brackets 20-165

Power Steering Brackets, Mid LSA/LS, Accessory Drive Bracket, Power Steering, Aluminum, Satin Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-20-165

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Swap Accessory Drive Systems 20-137

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C, Chevy, V8, Kit

Part Number: HLY-20-137

3.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Swap Accessory Drive Systems 20-162BK

Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, Kit

Part Number: HLY-20-162BK

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Holley LS Engine Swap Accessory Drive Systems 20-160

Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Sanden SD-7 Compressor, Tensioner, Chevrolet, Small Block LS, Kit

Part Number: HLY-20-160

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Swap Accessory Drive Systems 20-138

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C, Chevy, V8, Kit

Part Number: HLY-20-138

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Sikky Manufacturing LS Front Accessory Drive Kits FDK01

Accessory Drive Systems, Serpentine, Clockwise, Tensioner, Idler Pulleys, Spacers, Alternator Bracket, Chevy, LS, Kit

Part Number: SKM-FDK01

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley Mid LSA/LS Power Steering Brackets 20-165BK

Power Steering Brackets, Mid LSA/LS, Accessory Drive Bracket, Power Steering, Aluminum, Black Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: HLY-20-165BK

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Eddie Motorsports LS Chevy S-Drive Serpentine Pulley Drive Systems MS117-90RCL

Pulley Kit,serpentine,Chevy LS,Aluminum,AC,Power Steering-No Reservoir,170A,Bright clear coat

Part Number: EMS-MS117-90RCL

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2026 if ordered today

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Estimated Ship Date: Dec 3, 2026 if ordered today

Holley LS Engine Swap Accessory Drive Systems 20-141

Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Chevy, V8, Kit

Part Number: HLY-20-141

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Eddie Motorsports LS Chevy S-Drive Serpentine Pulley Drive Systems MS117-90BP

Accessory Drive Systems, LS Chevy S-Drive Serpentine Pulley Drive Systems, Power Steering Pump, Polished Pulleys, Chevrolet, Small Block LS, Kit

Part Number: EMS-MS117-90BP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Swap Accessory Drive Systems 20-156

Accessory Drive Systems, LS Engine Swap, Serpentine Style, Alternator, Power Steering, Pullies, 6-groove, Natural Finish, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-156

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

March Performance Chevy LS Air Conditioning Serpentine Kits 20060

Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, A/C, Power Steering, GM, LS Series, Wide Kit

Part Number: MCH-20060

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Summit Racing™ LS Front Drive Serpentine Kits SUM-CSUMLS102

Serpentine Kit, Standard Ratio, Steel, Black, 7 Air conditioning Compressor, Aluminum Brackets, Chevy, LS, Kit

Part Number: SUM-CSUMLS102

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Accessory Drive Kits 21-1

Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Short Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-1

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

Holley LS Engine Swap Accessory Drive Systems 20-137BK

Accessory Drive Systems, LS Engine Swap, Serpentine, Black, Air Conditioning Pulley, Compressor, Tensioner, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-20-137BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

March Performance Chevy LS Series Serpentine Kits 20080-08

Accessory Drive, Chevy LS Series, 6-Groove Serpentine, Performance Ratio, Aluminum, Black Powdercoat, Water Pump, One-Wire Alternator, No PS\AC, Kit

Part Number: MCH-20080-08

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today

Holley LS Engine Swap Accessory Drive Systems 20-160BK

Accessory Drive Systems, LS Engine Swap, Serpentine, Black Air Conditioning Pulley, Sanden SD-7 Compressor, Tensioner, Chevrolet, Small Block LS, Kit

Part Number: HLY-20-160BK

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

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