Description: 

GM black aluminum Double groove power steering pump pulley 

Fits all GM key way saginaw style power steering pumps

Fits all GM(Chevy, Oldsmobile, Buick, Pontiac, Cadillac) pre 1984 power steering pumps using the keyway style (nut on the front)

Fits all water pump styles (short and long)

For use on gm engines including 265 283 305 327 350 383 400 396 427 454 472 500 502 326 455 389 403 as well as v6 engines 

The shaft is 5/8" standard

Machined from billet aluminum

These feature deep grooves to prevent belts from slipping

P   Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included)