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. Pulley Flange: Dual Bolt Pattern.
Chrome Steel Pulley - Double Groove. Stainless Water Pump Bolt Kit - Hex Head. Gaskets to Mount to Block (2). Pulley Bolts & Lock Washers - Hex (4).