Perrin Lightweight Crank Pulley 2002+ WRX / 2004+ STI

DESCRIPTION

The Perrin Lightweight Crank Pulley weights just 1.2 lbs. which is 3.7 pounds lighter than the stock OEM crank pulley. This reduction in weight from the crankshaft is equal to removing more than 100 lbs of vehicle weight! Precision machined grooves set this piece apart by tightly syncing with all OEM aftermarket belts. This part is designed and tested to work safely on your vehicle without any tuning required! Upgrade your vehicle with the Perrin Lightweight Crank Pulley.

WHY?

The Perrin Crank Pulley is machined from billet aluminum and offered in adonized black, blue, or red and laser etched for increased belt life and a precision fit. Throttle response, torque, and horsepower are all increased with this easy to install part.

FEATURES:

• Decrease rotational mass

• Precision machined grooves

• Billet aluminum construction

• Increased belt life

• Built for high horsepower and torque

• No tuning required

COMPATIBILITY

2002+ WRX

2004+ STI