Go Fast Bits Lightweight Pulley Kit 3-Piece — Fits 08-14 Subaru WRX/STi, 09-13 Forester XT, 03-09 Legacy GT

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SKU: GFB2014
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Sale price$342.81 Regular price$380.90
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unlock Engine Potential with GFB Lightweight Pulleys

Transform your Subaru's engine performance with the Go Fast Bits (GFB) 3-piece lightweight pulley kit. Designed to significantly reduce parasitic drag, this kit minimizes rotating mass, allowing your engine to rev more freely. Experience sharper throttle response and faster acceleration without the need for complex ECU tuning or additional supporting modifications.

Precision Engineering for Subaru Performance

Each pulley is precision-machined from a single billet of 6061-T6 aluminum, ensuring exceptional durability and perfect fitment. The CNC-machined tolerances meet or exceed OEM standards, providing a reliable bolt-on solution for daily drivers and track enthusiasts alike.

  • Reduced Rotating Mass: Improves engine efficiency and power delivery.
  • Sharper Throttle Response: Eliminates sluggishness for a more engaging drive.
  • High-Grade Construction: 6061-T6 aluminum for maximum strength and weight reduction.
  • Easy Bolt-On Installation: Designed for a direct fit on your factory setup.

This kit is specifically engineered for the 2008-2014 Subaru WRX/STi, 2009-2013 Forester XT, and 2003-2009 Legacy GT. Whether you are looking to shave seconds off your lap times or simply want a more responsive daily commute, these pulleys deliver immediate results. Trust the experts at GGCRACING to provide the high-quality components your Subaru deserves.

Vehicle Fitment

Years Make Model Trim
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2004 Subaru Legacy L
2003-2006 Subaru Legacy GT
2004 Subaru Legacy L 35th Anniversary
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2006-2009 Subaru Legacy GT spec.B
2006-2009 Subaru Legacy 2.5i
2007-2009 Subaru Legacy GT Limited
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2008-2009 Subaru Legacy 3.0 R Limited
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unlock Engine Potential with GFB Lightweight Pulleys

Transform your Subaru's engine performance with the Go Fast Bits (GFB) 3-piece lightweight pulley kit. Designed to significantly reduce parasitic drag, this kit minimizes rotating mass, allowing your engine to rev more freely. Experience sharper throttle response and faster acceleration without the need for complex ECU tuning or additional supporting modifications.

Precision Engineering for Subaru Performance

Each pulley is precision-machined from a single billet of 6061-T6 aluminum, ensuring exceptional durability and perfect fitment. The CNC-machined tolerances meet or exceed OEM standards, providing a reliable bolt-on solution for daily drivers and track enthusiasts alike.

  • Reduced Rotating Mass: Improves engine efficiency and power delivery.
  • Sharper Throttle Response: Eliminates sluggishness for a more engaging drive.
  • High-Grade Construction: 6061-T6 aluminum for maximum strength and weight reduction.
  • Easy Bolt-On Installation: Designed for a direct fit on your factory setup.

This kit is specifically engineered for the 2008-2014 Subaru WRX/STi, 2009-2013 Forester XT, and 2003-2009 Legacy GT. Whether you are looking to shave seconds off your lap times or simply want a more responsive daily commute, these pulleys deliver immediate results. Trust the experts at GGCRACING to provide the high-quality components your Subaru deserves.

Vehicle Fitment

Years Make Model Trim
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2004 Subaru Legacy L
2003-2006 Subaru Legacy GT
2004 Subaru Legacy L 35th Anniversary
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2006-2009 Subaru Legacy GT spec.B
2006-2009 Subaru Legacy 2.5i
2007-2009 Subaru Legacy GT Limited
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2008-2009 Subaru Legacy 3.0 R Limited
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

Product Details

Product Description

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unlock Engine Potential with GFB Lightweight Pulleys

Transform your Subaru's engine performance with the Go Fast Bits (GFB) 3-piece lightweight pulley kit. Designed to significantly reduce parasitic drag, this kit minimizes rotating mass, allowing your engine to rev more freely. Experience sharper throttle response and faster acceleration without the need for complex ECU tuning or additional supporting modifications.

Precision Engineering for Subaru Performance

Each pulley is precision-machined from a single billet of 6061-T6 aluminum, ensuring exceptional durability and perfect fitment. The CNC-machined tolerances meet or exceed OEM standards, providing a reliable bolt-on solution for daily drivers and track enthusiasts alike.

  • Reduced Rotating Mass: Improves engine efficiency and power delivery.
  • Sharper Throttle Response: Eliminates sluggishness for a more engaging drive.
  • High-Grade Construction: 6061-T6 aluminum for maximum strength and weight reduction.
  • Easy Bolt-On Installation: Designed for a direct fit on your factory setup.

This kit is specifically engineered for the 2008-2014 Subaru WRX/STi, 2009-2013 Forester XT, and 2003-2009 Legacy GT. Whether you are looking to shave seconds off your lap times or simply want a more responsive daily commute, these pulleys deliver immediate results. Trust the experts at GGCRACING to provide the high-quality components your Subaru deserves.

Vehicle Fitment

Years Make Model Trim
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2004 Subaru Legacy L
2003-2006 Subaru Legacy GT
2004 Subaru Legacy L 35th Anniversary
2005 Subaru Legacy Limited
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2006-2009 Subaru Legacy GT spec.B
2006-2009 Subaru Legacy 2.5i
2007-2009 Subaru Legacy GT Limited
2007-2009 Subaru Legacy 2.5i Limited
2007-2009 Subaru Legacy 2.5i Special Edition
2008-2009 Subaru Legacy 3.0 R Limited
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium
2015 Subaru WRX STI Launch Edition
2015-2020 Subaru WRX STI Base
2015-2020 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI S209

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