SB Chevy Water Pump "Short" Style & Double Groove Pulley Kit High grade aluminum water pump, this pump will flow up to 40% more coolant than stock pumps, it will dissipate heat better than the regular OEM cast iron pumps, also lighter. This pump features high quality roller bearings, custom impeller for maximum water flow and reduced cavitation at high RPM's. This pump will clear cam belt drives and most blower drives.Specs: 5/8" Pilot, 1/2" NPT side port. Pulley Flange: Dual Bolt Pattern. Stainless Water Pump Bolt Kit - Hex Polished. Gaskets to Mount to Block (2). Chrome Steel Pulley - Double Groove. Pulley Bolts & Lock Washers - Hex (4). The item "SB Chevy Water Pump Short SBC 350 V8 High Volume CHROME WP Pulley Kit 2 Groove" is in sale since Monday, February 01, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Water Pumps". The seller is "speedproperformance" and is located in Downey, California. This item can be shipped worldwide.