Go Fast Bits 3-Piece Lightweight Pulley Kit for 2013–2021 Subaru BRZ & Scion FR-S

Description

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:

6061-T6 aircraft-grade aluminum construction

Includes crank, alternator, and water pump pulleys

Removes rotational mass for faster revs

Black finish

WEIGHT SAVINGS:

Stock Crank Pulley: 4.89lb

GFB Crank Pulley:.75lb

Stock Water Pump Pulley: 1lb

GFB Water Pump Pulley: .53lb

Stock Alternator Pulley: .44lb

GFB Alternator Pulley: .18lb

That is almost 5lbs of rotational mass lost.

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