The Moroso dry sump and vacuum pump drive kit for Chevrolet Big Block (Long 3 Bolt) engines is a flange-style kit supplied with pulleys. Tailored for the long 3-bolt big block Chevy pattern, this assembly provides the flange drive and pulleys needed to operate vacuum pumps and dry sump drives. It is intended for Chevrolet big block installations that require the long 3-bolt flange configuration.
Moroso Chevrolet Big Block (Long 3 Bolt) Dry Sump & Vacuum Pump Drive Kit - Flange Style w/Pulleys