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It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of torque. GFB Lightweight Pulleys reduce inertia by up to 85 percent, so most of the torque that used to accelerate the pulley can now be applied to the wheels.
This Part Fits:
GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)
SKU: GFB2010
Sale price
$483.36 CAD
Regular price
$537.07 CAD
Shipping calculated at checkout.
Special Order Item Delivery times depend on manufacturer fulfillment and carrier performance. Expedited shipping reflects how the order is placed with the manufacturer and does not guarantee delivery dates. However, due to FI Performance’s industry relationships, we may be able to assist with expedited processing when possible. If timing is critical, please call us before ordering at (203) 644-0712.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Subaru | Forester | Sports 2.5 XT |
| 2004-2005 | Subaru | Forester | XT |
| 2006-2008 | Subaru | Forester | XT Limited |
| 2005 | Subaru | Forester | XT Premium |
| 2003-2004 | Subaru | Impreza | Outback |
| 2005 | Subaru | Impreza | Outback Sport |
| 2003-2005 | Subaru | Impreza | RS |
| 2003-2004 | Subaru | Impreza | TS |
| 2002-2007 | Subaru | Impreza | WRX |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2007 | Subaru | Impreza | WRX STI Limited |
| 2006-2007 | Subaru | Impreza | WRX TR |
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