High Performance Pulleys

From the factory your vehicle is equipped with multiple pulleys. Pulleys are responsible for guiding and tensioning belts throughout the engine. The belts are connected to various engine accessories such as your water pump, your AC compressor, alternator, and power steering pump. High Performance Engine Pulleys are made from a lightweight material. Most pulleys are a direct replacement for your OE pulleys. Performance pulleys also add a nice clean polished look to your engine bay, no matter the finish you decide to go with. Sport Compact Warehouse is your premier source for performance engine pulleys. Reach out to one of our experienced representatives if you have any questions and we will help you make a more informative decision.

In the accessory drive system, the crankshaft drives the water pump, alternator, power steering pump, A/C compressor and other accessories via an arrangement of pulleys mounted to each component and one or more drive belts. While the amount varies according to vehicle, all accessories use up horsepower – power that could be applied to your drive wheels. But there are ways to reduce your accessories’ power consumption without negatively affecting function.

You can gain horsepower by reducing the weight of your pulleys and by changing their diameter. We offer aluminum pulleys that are much lighter than the original equipment pulleys, without any reduction in strength. These pulleys are direct replacements and require no modifications for installation. Their light weight not only results in a horsepower increase, but the reduced rotational mass also improves throttle response.

Reducing the diameter of the crankshaft drive pulley or increasing the diameter of the driven accessory pulley underdrives the accessory, slowing its rotational speed and reducing the amount of horsepower it draws. However, the size of the pulleys must be carefully calculated so your accessories continue to operate properly. Everyone wants more horsepower, but not with adverse side effects like reduced power steering assist, an alternator that doesn’t charge the battery, or an overheated engine. Our pulley kits have been extensively tested to deliver maximum horsepower with no loss of accessory functionality.

Using underdrive pulleys to reduce accessory drag is an easy and inexpensive way to gain as much as 15 horsepower! Each kit is engineered for the specific application, ensuring straightforward installation. Most kits are designed to use the existing serpentine belt, but a belt is supplied if a different length is required. Most lightweight and underdrive pulleys are machined from high grade aluminum alloy, some with an attractive chrome or anodized finish, so if not for the horsepower increase, you’ll want them just for an engine appearance upgrade.

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AEROMOTIVE 21106
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AEROMOTIVE 21106 Billet Pulley Drive Mandrel Type II

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AEROMOTIVE 21108
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AEROMOTIVE 21108 Fuel Pump Drive Pulley Cog Belt 14 Tooth & 3/8 Pitch

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AEROMOTIVE 21109
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AEROMOTIVE 21109 28-Tooth Pulley

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aFe 79-10001
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aFe 79-10001 Crankshaft Power Pulley 4.124in Dia. Incl. Pulley/Bolts/Belts Billet Aluminum And Black Anodized 10 HP/7 Lbs. x

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aFe 79-10002
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aFe 79-10002 Crankshaft Power Pulley 4.124in Dia. Incl. Pulley/Bolts/Belts Billet Aluminum And Black Anodized 10 HP/7 Lbs. x

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aFe 79-10003
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aFe 79-10003 Crankshaft Power Pulley 4.124in Dia. Inc. Pulley/Bolts/Belts Billet Aluminum And Black Anodized 5 HP/6 Lbs. x Ft

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Alta AMP-ENG-200V2
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Alta AMP-ENG-200V2 Supercharger Pulley V2.0 15% Reduced

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Alta AMP-ENG-205V2
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Alta AMP-ENG-205V2 Supercharger Pulley V2.0 17% Reduced

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Alta AMP-ENG-213
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Alta AMP-ENG-213 Supercharger Pulley Belt For 15% or 17% SC Pulley

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Alta AMP-ENG-500
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Alta AMP-ENG-500 Lightened Crank Pulley OEM Size

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Alta AMP-ENG-520
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Alta AMP-ENG-520 Lightened Crank Pulley 2% Oversized

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BBK 1553
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BBK 1553 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 3 Piece Kit Incl Crank Pulley/Water Pump Pul

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BBK 1554
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BBK 1554 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 3 Piece Kit Incl Crank Pulley/Water Pump Pul

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BBK 1555
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BBK 1555 Power-Plus Series Underdrive Pulley System CNC Machined Billet Alum. 3 Piece Kit Incl Crank/Water Pump/Alternator Pu

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BBK 15550
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BBK 15550 Power-Plus Series Underdrive Pulley System CNC Machined Billet Alum. 3 Piece Kit Incl 8 Rib Crank Pulley/Water Pump

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BBK 1559
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BBK 1559 Power-Plus Series Underdrive Pulley System CNC Machined Billet Alum. 3 Piece Kit Incl Crank/Water Pump/Alternator Pu

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BBK 1591
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BBK 1591 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 3 Piece Kit Incl Crank Pulley/Water Pump Pul

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BBK 1598
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BBK 1598 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 3 Piece Kit Incl Crank Pulley/Water Pump Pul

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BBK 1603
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BBK 1603 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 3 Piece Kit Incl Crank Pulley/Water Pump Pul

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BBK 1619
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BBK 1619 Power-Plus Series Underdrive Pulley System CNC Machined Billet Aluminum 2 Piece Kit Incl Crank Pulley & Alternator P

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$174.94

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BORGESON 801150
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BORGESON 801150 Engine Crankshaft Pulley

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$166.99

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CANTON 74-900
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CANTON 74-900 For Chevy Camaro 1979-2002 Crankshaft Pulley Shim Kit

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CANTON 76-527
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CANTON 76-527

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CANTON 76-532
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CANTON 76-532

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GATES 36100
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GATES 36100 DriveAlign Premium OE Pulley

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