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  > Home > Camaro/Firebird > Engine > ASP 948500 - ASP Underdrive Pulley (SFI Approved) 25% Underdrive LS1 F-Body Street/Strip

ASP Underdrive Pulley (SFI Approved) 25% Underdrive LS1 F-Body Street/Strip

ASP Underdrive Pulley (SFI Approved) 25% Underdrive LS1 F-Body Street/Strip
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Manufacturer No.:
948500

LMP Part No.:
00599
Price: $204.95
Shipping: FREE!!!

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ASP Underdrive Pulley (SFI Approved) 25% Underdrive LS1 F-Body Street/Strip.

What do Underdrive Pulleys do? Underdrive pulley systems increase engine horsepower by reducing the amount of power required to drive external engine accessories. For example, the alternator, power steering, water pump and air compressor rob horsepower from the engine. By replacing factory-sized crank and accessory drive pulleys with a resized pulley, the accessories are slowed, resulting in more horsepower available to the drive wheels. Typically, a set of Auto Specialties street pulleys will increase horsepower by 12-15, and increase mileage by 2 to 3 MPG. All pulleys are manufactured from Billet Steel or Aluminum, exceeding factory quality.

ASP LS1 underdrive pulley kit reduces parasitic power losses associated with high accessory speeds, freeing up additional HP. It also reduces the rotating inertia on the front of the crankshaft allowing for faster revving. We have seen just over 13 rear wheel hp increase with this kit installed on stock LS1s.

Uses Gates Belts: K060760 / a/c K040378 SFI 18.1

* Please note that there is a shipping discount on multiple items in the same order(excludes oversized items).  The shipping amount here reflects a 1 item/part purchase. Shipping price reflects shipping within the contential US. All other locations extra.

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