Perrin Lightweight Crank Pulley Red WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) Thread pitch: 12x1

Thread pitch: 12x1

AUDI A4 2002-2004 REAR

The unique slotted and or drilled friction surface helps wipe away debris that can form between the pad and the disc

The 1" lowered sport springs are designed to offer a mild drop

Perrin Lightweight Crank Pulley Red WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) Thread pitch: 12x1Perrin's lightened crank pulley for the Subaru WRX STI LGT is engineered to reduce rotating mass, increasing horsepower and torque. Made from 6061T6 aluminum and weighing 1. 2lbs, Perrin crank pulley is more then 4lbs lighter then the stock crank pulley. Perrin's pulley is not underdriven and will not affect the life of your engine. The pulley is simply a redesigned, lighter version of the stock crank pulley. Aftermarket underdrive pulleys are prone