Go Fast Bits Underdrive Pulley Kit – 2004-2007 Subaru WRX / 2004-2007 STI

Go Fast Bits Underdrive Pulley Kit Subaru WRX 2004-2007 STI 2004-2007

RallySport Direct is proud to carry a great selection of automotive performance upgrades and accessories brought to you by Go Fast Bits.

Here, you are looking at the Go Fast Bits Underdrive Pulley Kit. This is a lightweight underdrive pulley kit that has been designed to help remove some rotational mass from your engine to improve the overall performance. The result is improved engine response, faster revs, along with improved power and performance.

DETAILS:

• Includes crank pulley
• Includes power steering pulley
• Includes alternator pulley
• Made using lightweight aluminum materials
• Anodized black finish
• Improves engine response
• Increases faster revs
• AC compressor will still operate at normal speeds
• Includes new belts