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 aluminum with hard-coat anodized finish
May be used with Moroso Vacuum Pumps Nos. 22640, 22641, 22642, 22644, 22840, 22842, 22843 and Vacuum Pump Pulley Nos. 64885 and 64887
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