The Moroso dry sump and vacuum pump drive kit for Chevrolet Big Block (Short 3 Bolt) engines is a flange-style assembly supplied with pulleys. Built for the short 3-bolt big block Chevy pattern, this kit provides the flange drive and pulley components required to operate vacuum pumps and dry sump drives. Use it when the short 3-bolt flange configuration is specified for the Chevrolet big block application.
Moroso Chevrolet Big Block (Short 3 Bolt) Dry Sump & Vacuum Pump Drive Kit - Flange Style w/Pulleys