custom designed for the 2.9 and 3.0 liter whipple superchargers utilized by weistec and their supercharger kits. psi's listed are only an estimate and actual will vary due to differences between engine configurations.
if selecting custom size option, email us at firstname.lastname@example.org for the exact size you need.
pulleys are made to order. expect a 2-6 week turn around time before product ships.
absolutely no refunds as these are made to order.