Aluminum 5" Dia Crankshaft Pulley for Alternator
Versatile Pulley Bolts To Chevy or GZMS 1-bolt Mandrels
6061 T6 billet aluminum fixed pulley with one groove for V belt. 5" diameter to drive alternator. Center hole accepts 2" OD crank mandrel or 2" OD CP Series Vacuum Pump Pulley through the center. The 4 bolt pattern is for bolting to back face of single groove pulley to utilize GZMS alternator kit. It also can bolt to face of balancer using the 3 bolt pattern to accomodate other alternator brackets.