[Application] The long water pump is compatible with Chevy small block 283 327 350 383 400 1969-1987 engines
[Good Quality] Made in heavy-duty ultra-lightweight aluminum. Billet body and impeller provide tight clearances for excellent flow characteristics
[Complete Parts] Mechanical water pump with a 5/8" pilot and 1/2" NPT side port. Includes 2 Pulley Shims, Gaskets to mount to block & Plug
[High Performance] This high volume pump features high quality roller bearings, custom machined impeller for maximum water flow, and reduced cavitation at high RPMs
[Heat Dissipation] This aluminum mechanical water pump will flow up to 40% more than stock pumps and it will dissipate heat better than the regular iron pumps