DESCRIPTION --High-performance aluminum BBC Chevy high-flow long water pump. --Finish: Chrome --Fitment: For Big Block Chevy 69-87 396, 402, 427 & 454 V8 engines requiring a long water pump. --Features a CNC-machined iron impeller, a ribbed aluminum housing, and a heavy-duty ball/roller bearing assembly. --Designed to flow 35% more coolant than your standard pump. --Package: Including all items in the pictures. Note: Professional Installation Is Highly Recommended (No Instruction Included).