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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Results 1 - 25 of 425

ICT Billet Idler Pulleys PUL-RB6-266

Billet 6 Ribbed Idler Pulley

Part Number: ICB-PUL-RB6-266

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dayco No Slack Idler Pulleys 89006

Dayco No Slack Idler Pulleys 89006

Idler Pulley, 90mm Diameter, 30mm Thick, Serpentine, Flat/No Grooves for 6-Rib Width Belts, 17mm Bearing Inside Diameter, Steel, Black, Each

Part Number: DAC-89006

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Vortech Supercharger Idler Pulleys 4FA016-150

Belt Tensioner, Tensioner Pulley, Smooth, 6 Rib

Part Number: VOR-4FA016-150

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Vortech Supercharger Idler Pulleys 1210517

Supercharger Idler Pulley, Serpentine, 6-rib, Plastic, Black, Each

Part Number: VOR-1210517

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Idler Pulleys 12580772

Idler Pulley, Replacement, Serpentine, 6-groove, Black, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: ADO-12580772

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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March Performance Idler Pulleys 30040

Idler Pulley, Serpentine, 6-Groove, Aluminum, Polished, Ford 302,351w, Kit

Part Number: MCH-30040

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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March Performance Idler Pulleys 750

Idler Pulley, Serpentine, 6-Groove, Aluminum, 2.25 in. Dia., Polished, Universal, Each

Part Number: MCH-750

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Idler Pulleys 12739915

Idler Pulley, GM Genuine Part, Serpentine, 6-groove, Black, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12739915

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco GM Genuine Parts Idler Pulleys for 1988-1992 CAMARO, FIREBIRD, 1989-1990 CAPRICE - 10055890

Idler Pulley, Replacement, Serpentine, 6-groove, Plastic, Black, Chevy, Pontiac, 5.0L, 5.7L, Each

Part Number: ADO-10055890

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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March Performance Idler Pulleys P750

Idler Pulley, Serpentine, 6-groove, Each

Part Number: MCH-P750

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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March Performance Idler Pulleys 20723

Idler Pulley, Billet Aluminum, Clear Coated, 6-Groove Serpentine, Chevy, Small Block, Each

Part Number: MCH-20723

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

ACDelco GM Genuine Parts Idler Pulleys 98057284

Idler Pulleys, GM OE, Serpentine, Steel, Black, Chevy, GMC, Each

Part Number: ADO-15-40526

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Crown Automotive Idler Pulleys 4593848AA

Idler Pulley, Serpentine, 6-groove, Plastic, Black, Chrysler, Dodge, 2.7L, 3.5L, Each

Part Number: CWA-4593848AA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 10, 2026 if ordered today

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Estimated Ship Date: Jul 10, 2026 if ordered today

Crown Automotive Idler Pulleys 53031045

Idler Pulley, Serpentine, 6-groove, Plastic, Black, Chrysler, Dodge, Jeep, Each

Part Number: CWA-53031045

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

ACDelco GM Genuine Parts Idler Pulleys 12678515

Idler Pulley, OE Replacement, Accessory Drive, 96mm Diameter, 8-Groove, Steel, Black, Cadillac, Chevrolet, 6.2L, Each

Part Number: ADO-12678515

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Vortech Supercharger Idler Pulleys 4MA116-160

Supercharger Idler Pulley, Serpentine, Aluminum, Black, Each

Part Number: VOR-4MA116-160

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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March Performance Idler Pulleys 30041

Pulley/Bracket Set, Air Conditioning Idler, Serpentine, Aluminum, Clear Powdercoated, Ford 1968-85, 5.0L/302

Part Number: MCH-30041

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

Vortech Supercharger Idler Pulleys 4FH016-150

Idler Pulley, Serpentine, Plastic, Smooth, Black, 3.0 in. Diameter, Universal, Kit

Part Number: VOR-4FH016-150

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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ACDelco Gold Idler Pulleys 88909587

Idler Pulleys, Professional, Serpentine, Steel, Black, for use on Acura®, for use on Honda®, Buick, Cadillac, Chevy, Ford, GMC, Lincoln, Mercury, Each

Part Number: ADO-38006

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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