The PERRIN Performance™ lightened crank pulley for the Lancer Evolution is engineered to reduce rotating mass, increasing horsepower and torque.

Made from 6061T6 aluminum, the PERRIN™ pulley is considerably lighter then the stock crank pulley.   The PERRIN pulley is not under driven. The pulley is a redesigned, 4-pound lighter rendering of the stock crank pulley.

Aftermarket under drive pulleys are prone to charging and drivability problems from being overly under driven. The PERRIN Performance™ lightened crank pulley will have no effect on your cars charging system.   The PERRIN Performance™ pulley will not wear out engine bearings or the oil pump, and will not add any additional vibration or noise.