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 64887If you are having issues with /Paypal or product questions, please feel free to call us Asa Performance.
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