GrimmSpeed Lightweight Crank Pulley for 02-14 WRX/04+STI (095015) Select::Red (095015R) In any event

In any event

It features 3 zippered main compartments

(1) Assembled short block

Part Number: 5812STM1C‑4 Pin: STM-Spec Pin

These valves are made from billet aluminum and the atmospheric design expels the air straight to atmosphere giving you that "whoosh" when you let off the throttle

GrimmSpeed Lightweight Crank Pulley for 02-14 WRX/04+STI (095015) Select::Red (095015R) In any eventRemove that heavy, ugly, problem waiting to happen stock pulley and upgrade to GrimmSpeed's beautiful lightweight option! Weighs 3. 5 pounds less than stock and fits all 2002 2014 WRX and 2004+ STi. Available red or black. Vehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi Features: Decreases rotational mass more than 3. 5lbs over OEM You will see much faster revs as a result Factory Fit for clean install Optimum weight to avoid misfire CELs