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 30

Go Fast Bits Crankshaft Pulleys 2006

Underdrive crank pulleyNISSAN 300ZX

Part Number: GFS-2006

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Summit Racing™ Crankshaft Pulleys SUM-G3967

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

Part Number: SUM-G3967

4.9 out of 5 stars ( 30 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Go Fast Bits Crankshaft Pulleys 2012

Non-underdrive crank pulleyGolf GTI Mk5 (2.0t FSI engine)

Part Number: GFS-2012

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Go Fast Bits Crankshaft Pulleys 2009

Subaru lightweight non-underdrive crank pulley (suits all EJ20, 22 and 25 engines)

Part Number: GFS-2009

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Go Fast Bits Crankshaft Pulleys 2011

Underdrive crank pulley - includes beltMITSUBISHI EVO 4-9

Part Number: GFS-2011

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Go Fast Bits Crankshaft Pulleys 2220

Lightweight Crank PulleyBRZ/86?FR-S

Part Number: GFS-2220

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Go Fast Bits Crankshaft Pulleys 2005

SR20DET Lightweight Underdrve Crank Pulley (requires shorter belts)

Part Number: GFS-2005

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Summit Racing™ Crankshaft Pulleys SUM-G3966

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

Part Number: SUM-G3966

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3958B

Crankshaft Pulley, V-Belt, 3-Groove, 7.74 in., Steel, Black, Chevy, Small Block, Long Pump, Each

Part Number: SUM-G3958B

2.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3957B

Crankshaft Pulley, V-Belt, 2-Groove, 6.875 in., Steel, Black, Chevy, Small Block, Long Pump, Each

Part Number: SUM-G3957B

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3972B

Crankshaft Pulley, V-Belt, 3-Groove, 7.25 in., Steel, Black, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3972B

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-329724B

Crankshaft Pulley, V-Belt, 3-Groove, 7.8 in., Steel, Black, Chevy, Big Block, Long Pump, Each

Part Number: SUM-329724B

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3957

Crankshaft Pulley, V-Belt, 2-Groove, 6.875 in., Steel, Chrome, Chevy, Small Block, Long Pump, Each

Part Number: SUM-G3957

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Goodmark Crankshaft Pulleys GMK4012266696

Crankshaft Pulley; Crank Pulley; Deep Groove; GM 396/427/454 Special High Performance V8 Engines

Part Number: GMK-4012-266-696

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3952B

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

Part Number: SUM-G3952B

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-329817B

Crankshaft Pulley, V-Belt, 2-Groove, 7.313 in., Steel, Black, Chevy, Big Block, Short Pump, Each

Part Number: SUM-329817B

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3958

Crankshaft Pulley, V-Belt, 3-Groove, 7.74 in., Steel, Chrome, Chevy, Small Block, Long Pump, Each

Part Number: SUM-G3958

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-G3972

Crankshaft Pulley, V-Belt, 3-Groove, 7.25 in., Steel, Chrome, Chevy, Small Block, Short Pump, Each

Part Number: SUM-G3972

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Crankshaft Pulleys SUM-329817

Crankshaft Pulley, V-Belt, 2-Groove, 7.313 in., Steel, Chrome, Chevy, Big Block, Short Pump, Each

Part Number: SUM-329817

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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