Cobb Lightweight Main Power Pulley

We Now Offer Free Shipping On All COBB Parts!!!!!!!!!!

COBB is proud to announce the availability of the new COBB Lightweight Main Power Pulley kits for all Subaru EJ20 and EJ25 models.

CAD designed and CNC machined from billet 6061-T6 and hard anodized for a long lasting finish. Directly replaces the factory main pulley. Built to the factory diameter as to not underdrive your accessories. Drive belt surface precision machined EXACTLY to specifications provided by OEM belt manufacturer to ensure long belt life. Timing notch identical to factory pulley. Weighs 1.2lbs, which is over 4lbs lighter than the factory pulley for improved engine acceleration.

We use Cobb's Power Pully on the Flatirons Tuning Project Car. Read about it here.