Works with All Holley pass. side R4 LS brackets. Has a port for adding high pressure safety switch. Features a 5 inch clutch pulley for safer RPM operation. It has a 8mm weather pin clutch connector. For use with manifold using 5/8 inch x 5/8 inch sealing washer design.

Product Features:

• Works With All Holley Passenger Side R4 LS Brackets
• Port For Adding [Optional] High Pressure Safety Switch
• 5in. Clutch Pulley For Safer rpm Operation
• Weatherproof 8 mm Pin Clutch Connector