Crankshaft Pulleys

Attached to the front of your harmonic balancer is the crankshaft pulley. The belt wrapped around this pulley drives the engine’s accessories, including the Read More

Attached to the front of your harmonic balancer is the crankshaft pulley. The belt wrapped around this pulley drives the engine’s accessories, including the alternator, power steering pump, and air conditioning compressor.

Summit Racing Equipment carries crankshaft pulleys for a wide variety of applications, including stock replacement, period-correct restoration, engine dress-up, and high performance. V-belt, serpentine, or Gilmer belt, you’ll find the perfect pulley right here!

“Parasitic horsepower loss” means that some of the power made by your engine is eaten up by driving the accessories. High-revving...

“Parasitic horsepower loss” means that some of the power made by your engine is eaten up by driving the accessories. High-revving competition vehicles can get away with a smaller underdrive pulley, which drives the belt less quickly. Alternatively, if you’re adding power-hungry systems like mobile entertainment, an air compressor, or upgraded air conditioning, you may need a larger overdrive pulley to help the alternator keep up.

Top Brands

Summit partners with the most trusted manufacturers in the automotive industry, so you know you’re getting maximum performance for your money, even from humble components like crankshaft pulleys. Shop from brands like March Performance, Moroso, Goodmark, Trans-Dapt, ACDelco, Spectre, Vintage Air, aFe, Dorman, and many more.

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Results 1 - 25 of 43

Allstar Performance Small Block Chevy Reduction Pulleys ALL31030

Crankshaft Pulley, V-Belt, 2-Groove, 4.75 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: AAF-ALL31030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Crankshaft Pulleys SUM-G3970

Crankshaft Pulley, V-Belt, 3-Groove, 6.6 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3970

4.88 out of 5 stars ( 41 )

Estimated Ship Date: Tomorrow

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Allstar Performance Small Block Chevy 1:1 Crankshaft Pulleys ALL31084

Crankshaft Pulley, V-Belt, 2-Groove, 6.625 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: AAF-ALL31084

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Crankshaft Pulleys SUM-G3953B

Crankshaft Pulley, V-Belt, 2-Groove, 7.28 in., Steel, Black, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3953B

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Powermaster V-Belt Crankshaft Pulleys 293

Powermaster V-Belt Crankshaft Pulleys 293

Crankshaft Pulley, V-Belt, 1-Groove, Aluminum, Clear Anodized, Chevy, Small Block, Short/Long Pump, Each

Part Number: PWM-293

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Crankshaft Pulleys SUM-G3961

Crankshaft Pulley, V-Belt, 1-Groove, 6.6 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3961

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

March Performance Crankshaft Pulleys 6271

Crankshaft Pulley, Serpentine, 6-Groove, 7 in., Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-6271

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

March Performance Crankshaft Pulleys 6211

Crankshaft Pulley, Serpentine, 6-Groove, 5.75 in., Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump

Part Number: MCH-6211

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Crankshaft Pulleys SUM-G3953

Crankshaft Pulley, V-Belt, 2-Groove, 7.28 in., Steel, Chrome, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3953

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Crankshaft Pulleys SUM-G3952

Crankshaft Pulley, V-Belt, 1-Groove, 6.76 in., Steel, Chrome, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3952

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Mr. Gasket Chrome Plated Crank Pulleys 4973

Crankshaft Pulley, V-Belt, 2-Groove, Steel, Chrome, Chevy, Small Block, Short Pump, Each

Part Number: MRG-4973

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Moroso Cast Aluminum Crankshaft Pulleys 64050

Crankshaft Pulley, V-Belt, 1-Groove, 5.25 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: MOR-64050

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Mr. Gasket Chrome Plated Crank Pulleys 4972

Crankshaft Pulley, V-Belt, 1-Groove, Steel, Chrome, Chevy, Small Block, Short Pump, Each

Part Number: MRG-4972

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

OER Crankshaft Pulleys 3744043

Crankshaft Pulleys, Reproduction, Stamped Steel, Black Painted, 6.75 in. O.D., Short Water Pump, Chevrolet, Small Block Gen I, Each

Part Number: OER-3744043

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Moroso Billet Aluminum Crankshaft Pulleys 64051

Crankshaft Pulley, V-Belt, 1-Groove, 5.25 in., Aluminum, Clear Anodized, Chevy, Small Block, Short Pump, Each

Part Number: MOR-64051

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Moroso Crankshaft Pulleys 64070

Crankshaft Pulley, V-Belt, 1-Groove, 4 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: MOR-64070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Summit Racing™ Crankshaft Pulleys SUM-G3962

Crankshaft Pulley, V-Belt, 2-Groove, 6.6 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3962

4.88 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Moroso Cast Aluminum Crankshaft Pulleys 64060

Crankshaft Pulley, V-Belt, 2-Groove, 5.4 in., Aluminum, Natural, Chevy, Small Block, Short Pump, Each

Part Number: MOR-64060

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

March Performance Crankshaft Pulleys 6031

Crankshaft Pulley, V-Belt, 2-Groove, 5.75 in., Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-6031

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

March Performance Crankshaft Pulleys 6151-08

Crankshaft Pulley, V-Belt, 3-Groove, 7.00 in., Aluminum, Black Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-6151-08

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

March Performance Crankshaft Pulleys 5091

Crankshaft Pulley, V-Belt, 3-Groove, 5.75 in., Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-5091

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

March Performance Crankshaft Pulleys 6011-08

Crankshaft Pulley, V-Belt, 1-Groove, 5.75 in., Aluminum, Black Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-6011-08

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

March Performance Crankshaft Pulleys 6211-08

Crankshaft Pulley, Serpentine, 6-Groove, 5.75 in., Aluminum, Black Powdercoated, Chevy, Small Block, Short Pump, Each

Part Number: MCH-6211-08

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

March Performance Crankshaft Pulleys 6111

Crankshaft Pulley, V-belt, Aluminum, Clear Powdercoated, 7.00 in. O.D., Chevy, Small Block, Short, Each

Part Number: MCH-6111

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Racing Automotive Group Aluminum Crankshaft Pulleys 343551

Crankshaft Pulley, V-Belt, Aluminum, Chevy, Small Block, Short Pump, Each

Part Number: RAU-343551

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

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