PERRIN Lightweight Red Crank Pulley For 2002-14 Subaru WRX, 04-20 STI, 05-09 LGT, 04-14 FXT - PSP-ENG-100RD

LIGHTWEIGHT CRANK PULLEY FOR WRX/STI

The PERRIN Lightweight Crank Pulley lightens up your rotating engine parts to free up power. True weight savings can be felt with every blip of the gas pedal.

OVERVIEW

Decrease Rotational Mass
The PERRIN Lightweight Crank Pulley weighs just 1.2lbs, 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! Throttle response, horsepower, and torque are all increased with this easy-to-install part.

Design
Precision machined grooves, tightly sync with all OEM and aftermarket belts. The PERRIN Lightweight Crank Pulley fits great on all 1993 or newer Subaru engines, the rear belt keeper for AC cars is minimized to make installation on 2008+ Subarus easier!

Construction
The PERRIN Crank Pulley is machined from 6061 T6 billet aluminum, anodized red and laser etched for increased belt life and a precision fit.

High Performance
By removing the air conditioning belt drive, they have made a specialized version of their crank pulley for those building engines for the highest levels of horsepower & torque.

No Tuning Required
Increase horsepower and torque without ECU recalibration or tune! This part is designed and tested to work safely on your vehicle without any tuning required! However, more power can be gained with proper ECU tuning! Confirm any tune or recalibration you add is specific for ALL modifications added to the vehicle.