High Volume Aluminum Water Pump "Long" Style - Chrome 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 machined impeller for maximum water flow and reduced cavitation at high RPM's. This pump will clear cam belt drives and most blower drives.Application: Will work on 1958-85 SB Chevy 283-400 V8 Engines with Long Pump set up. Pulley Flange: Dual Bolt Pattern. Package: Water Pump, Bolt kit & Gaskets to mount to block, Pulley Shims (2), Plug. Note: Will NOT Fit Balancers with Rivets. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engine Cooling Components\Water Pumps". The seller is "gxs-performance" and is located in this country: US. This item can be shipped worldwide.