These tensioner/idler pulleys will allow use of an 8 rib belt. All pulleys are 3" in diameter.

Full set includes :

• (1) smooth tensioner pulley
• (1) smooth idler pulley
• (1) 8 rib grooved idler pulley

Requires an 8 rib supercharger pulley like our ZZP Modular System and a 8 rib Crank pulley.