Water Pump - Mechanical - 3/4 in Pilot - Short Design - Aluminum - Natural - Small Block Chevy - Each Brand Allstar Performance 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. ALL31105 Truck Freight- NO State Restriction-
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/