Go Fast Bits Lightweight Pulley Kit - 13-21 BRZ

Here, you are looking at the Go Fast Bits Lightweight Pulley Kit. This pulley kit has been designed using lightweight aluminum alloy materials which will help remove some of the rotational mass associated with the factory alternator pulley. The result is a sharper throttle response with easier revving. 

DETAILS:

WEIGHT SAVINGS:

That is almost 5lbs of rotational mass lost.