Whipple 10 Rib 4.00 Inch Upper Pulley (Griptec) ( -.140 Offset) Special Order zpe_inventory 8 - 12 Rib Threaded

8 - 12 Rib Threaded retainers

pulley than the stock 76MM LSA tensioner pulley

If you already have a GM LSA Tensioner part number 12628025

Additional Info:

These are all the parts needed to upgrade your existing 10 rib Gen 5 Whipple 10 rib Flex Drive kit to 12 rib

Whipple 10 Rib 4.00 Inch Upper Pulley (Griptec) ( -.140 Offset) Special Order zpe_inventory 8 - 12 Rib ThreadedConverts the Whipple WK 1810 Whipple Truck LS Supercharger over to Corvette LSA Spacing using a custom offset GripTec pulley SPECIAL ORDER These pulleys are used with both the 2. 9L and Gen 5 3. 0L Whipple using our Flex drive kits 2. 9 Kit's Click Here Gen 5 3. 0L Kit's Click Here