4" V-Belt Crankshaft Pulley
Ideal for driving alternators and/or vacuum pumps at optimum speed
Fits any 1" Dia crank-driven mandrel with 1/8" x 1/8" keyway
CNC machined from billet aluminium with hard-coat anodised finish
May be used with Moroso Vacuum Pumps Nos. 22640, 22641, 22642, 22644, 22840, 22842, 22843 and Vacuum Pump Pulley No. 64885