Go Fast Bits Lightweight Crank Pulley - FRS/BRZ/86 Apexi Matched with OEM style replacement

Matched with OEM style replacement rotors

CNC laser cut and bent for the perfect fitment and extremely easy installation

Contains additional friction modifiers for suitability with clutch-type limited-slip differentials - for most LSDs

Intended to be Used for Vehicles with Upgraded Fuel Lines and COBB Ethanol Content Sensor

Go Fast Bits Lightweight Crank Pulley - FRS/BRZ/86 Apexi Matched with OEM style replacementAdd more performance to your vehicle with the Go Fast Bits Lightweight Crank Pulley. Lightweight crank pulleys get rid of the inherent rotational mass of the heavy factory crank pulley which means you get a sharper throttle response with faster engine revs. Because the factory crankshaft in the flat 4 engine is so short, this lightweight crank pulley will not affect balance. This particular pulley saves up to 77% rotating inertia when compared to the