This type of pulley allows a racer to gain .750" from the blower snout mounting surface without using a blower pulley spacer.
Pulley is made from billet alum. and hard black anodized for wear resistance. Pulley is 3.50" wide has a 2.00" register with six .375" bolt holes on a 2.782" bolt circle.
Racer can choose size from drop down menu.