Perrin Lightweight Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mazda style and handling

style and handling

Caster Explained

Whiteline 4 Piece Control Arm and Lateral Link Kits:

The design keeps excellent clearance to any moving parts including larger aftermarket sway bars and sway bar braces

3" one-piece design with no pre-cat slip joint

Perrin Lightweight Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mazda style and handlingPerrin'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