UPR 2003-2004 BILLET Ford Mustang Cobra Extreme Tensioner 90mm Double

This Billet Aluminum Auxiliary Snub Idle and 90mm Idler Pulley upgrade will give your car increased belt tension for reduced belt slip. Designed to provide more tension and belt wrap around the supercharger pulley to eliminate slip. Idler pulley is hardcoat anodized to prevent premature wear from the belt and tighter tolerance on the bearing. Now with double row bearing for increased angular load and durability.

Machined from Billet Aluminum for strength and durability as well as great looks and also uses high quality double sealed bearings. Pulley is hardcoat anodized for a long life.

Installs in 10 minutes or less.