63849 - Moroso Drive Mandrels Details
Vacuum Pump/Oil Pump Drive Mandrels
Includes One-piece Billet Aluminum Drive Mandrel, Gilmer Crank DrivePulley and V-belt Crank Pulley, which are machined from 6061-T6 AluminumPulleys are hard coat anodized and mandrel is black anodized for exceptional strength and extended service lifeSpacers and Hardware includedFor aftermarket balancers using Big Block Chevy bolt pattern (3-bolt, 3.200 bolt circle, 2.275 female register)