Includes one-piece forged steel drive mandrel, Gilmer crank drive pulley and V-belt crank pulley which are machined from 6061-T6 aluminum.
For use with LS-1 GM bolt pattern (3-bolt, 3.200 bolt circle)
Theses drive mandrels are specially engineered to ensure perfect belt alignment when driving a Moroso Dry Sump Pump, Alternator, or Racing Vacuum Pump either seperately or together.
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