Stop robbing horsepower and reduce the drag on your motor with this new serpentine pulley and belt kit. Kit includes the upper and lower pulleys, a 36 inch belt, 7/16 inch x 2 3/8 inch bolt, three 3/8 inch x 1 inch allen bolts, spacer and washers. Bolt holes on water pump pulley allow you to change the fan and/or fan spacer without loosening the belt. The front 6-rib pulley can be used for accessories such as an alternator or belt drive fuel pump, etc. Three, four, five or six-rib belts can be driven from this pulley.