2.75" 10-Rib SCP / BlackEvery Whipple Supercharger pulley is made of 6061-T6 billet aluminum and anodized for wear and environmental protection. Each...
2.750" 8-Rib Pulley / Black Every Whipple Supercharger pulley is made of 6061-T6 billet aluminum and anodized for wear and environmental protection....