Go Fast Bits 3 Piece Under-Drive Pulley Kit w/ Belts Subaru WRX / STI / Legacy GT / Forester XT 2002-2018 Genesis_2010-2014 Optimal Temperature Range: 100°F –

Optimal Temperature Range: 100°F – 550°F

Part #: 6163

Horsepower: 470HP

Part #: IS-RCA-Z334

Go Fast Bits 3 Piece Under-Drive Pulley Kit w/ Belts Subaru WRX / STI / Legacy GT / Forester XT 2002-2018 Genesis_2010-2014 Optimal Temperature Range: 100°F –One of the ways that you can improve the response in your engine is by adding a lightweight pulley set. Lightweight pullies have less rotational mass when compared to OEM pullies and less rotational mass means that you will have improved engine response for a little bump in both power and torque. Part #: 2010 This is the Go Fast Bits 3 Piece Underdrive Pulley Kit which includes the crank pulley, and both alternator and power steering pullies. These