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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 2000 +

Crate Engine, 383 Stroker Long Block, 10:0:1 Compression, Hydraulic Roller Camshaft, Carbureted, Each

Part Number: MLL-38318CTC1DK

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

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

4.69 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Crate Engine, Long Block, 350 C.I. Cruiser, Drop-In, 341 HP, 371 TQ, New Block, Aluminum Heads, Chevrolet, Small Block, Each

Part Number: MLL-BP350CTCK

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each

Part Number: HPE-HP99C

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Black, Chevrolet, Big Block, Kit

Part Number: HLY-20-242BK

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Black, Chevrolet, Small Block Gen I, Kit

Part Number: HLY-20-240BK

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Engine 376 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, 4L65/70E Automatic Transmission w/ Black Pulley Kit

Part Number: MLL-BLS3763KB4L7

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

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 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Crate Engine, Long Block, 350 C.I. Cruiser, Drop-In, Fuel Injection, 341 HP, 371 TQ, New Block, Aluminum Heads, Chevrolet, Small Block, Each

Part Number: MLL-BP350CTFK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32M

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Pulley Kit, Serpentine, Aluminum, Polished, 7.25 in. Diameter Crank Pulley, Chevy, Small Block, Kit

Part Number: BSP-13220

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Pulley Set, V-Belt, Standard Ratio, Steel, Black, Chevy, Small Block, SBC, Long Water Pump Kit

Part Number: SUM-G3977B

3.83 out of 5 stars ( 72 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, Mid-Mount, Serpentine, 150 Amp Alternator, GM Type 2 Power Steering, SD-7, Black Finish, Ford, Kit

Part Number: HLY-20-370BK

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, Serpentine Front Drive Kit, 6 Groove, with Alternator, P/S Pump, Water Pump, A/C Compressor, Brackets, Chevy, 4.3-6.6L, Kit

Part Number: NAL-19435736

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy Small Block, Each

Part Number: ATI-917781

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, Mid-Mount, Serpentine, A/C, P/S, LT1 Style Alternator/Water Pump, Belt, Hardware, Natural, Chevrolet, Small Block Gen I, Kit

Part Number: HLY-20-240

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Kit

Part Number: MCH-21155

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Engine Assembly, Stage 3 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Alternator Bracket, Aluminum, Satin, Cylinder Head Mount, Short Water Pump, Chevy, Small Block, Kit

Part Number: SME-2001

4.49 out of 5 stars ( 154 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, LS Mid-Mount, Serpentine Style, Alternator, Water Pump, Power Steering, A/C, Hardware, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-180BK

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Engine 427 c.i. LS Builder Series Iron Block Standard Edition, Fuel Injected, 4L65/70E Automatic Transmission w/ Polished Pulley Kit

Part Number: MLL-BLS4278K4L7

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, 396, 402, 427, Each

Part Number: ATI-917060

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, Belts, Damper, Black Finish, GM, Gen V, 5.3L, 6.2L, Kit

Part Number: HLY-20-205BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

Crate Engine, Longblock, 350 C.I. Fuel Injection, 390 HP, 410 TQ, New Block, Aluminum Heads, Chevy, Small Block, Each

Part Number: MLL-BP3505CTFD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Estimated Ship Date: Monday 12/8/2025

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