ALLSTAR PERFORMANCE SBC Vette Water Pump 71-82 3/4in Shaft ALL31105

ALLSTAR PERFORMANCE Water Pump - Mechanical - 3/4 in Pilot - Short Design - Aluminum - Natural - Small Block Chevy - Each.
THIS WATER PUMP HAS A 3/4 SHAFT WITH A BILLET STEEL HUB WITH A SET SCREW TO SECURE HUB IN PLACE. FROM BLOCK MOUNTING SURFACE TO OUTSIDE OF PULLEY FLANGE MEASUREMENT IS 5-13/16. WATER PUMP HAS PROVISIONS FOR HEATER AND BYPASS FITTINGS BUT ARE NOT DRILLED.