Chrome Aluminum Short Water Pump SWP Chevy 283-350 High Volume, Lightweight Polished Aluminum Short Water Pump (SWP) For Chevy 265-283-302-307-327-350 Small Block Engines Features a CNC Machined Iron Impeller Heavy-Duty Shaft with 5/8 Pilot Ribbed Aluminum Housing Heavy-Duty Ball / Roller Bearing Assembly Which Flows 35% More Coolant Than Your Standard Pump Fits. 1955-72 Chevy Small Block Passenger Cars.Powered by SixBit's eCommerce Solution. The item "High Flow Chrome ALUMINUM SHORT WATER PUMP SWP CHEVY SB 283-350 SBC Street Rod" is in sale since Thursday, July 5, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Water Pumps". The seller is "motornets" and is located in Chino, California. This item can be shipped worldwide.