Perrin Lightweight Crank Pulley Red WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) while offering a stylish alternative

while offering a stylish alternative to enhance your vehicles appearance

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

Thread pitch: 12x1

depending on your turbo setup

increasing efficiency

Perrin Lightweight Crank Pulley Red WRX (2002-2014) STI (2004-2018) Legacy GT Suspension (10-up) while offering a stylish alternativePerrin'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