3-bolt Ford OE water pump pulley modified with the rear lip cut off. This allows for a larger idler to be used on VMP FEAD brackets in the lower position. Required when using VMP 60 mm and 58 mm idlers for the 8 and 10 rib kits. VMP modified water pump pulley used in VMP 8/10 rib kit.
VMP Performance 2014-2025 Ford Mustang 3-Bolt Supercharger Water Pump Pulley