This fits all GM key-way power steering units through 1984 with a 5/8 Shaft. Will NOT fit press-on power steering pumps. Finally this kit also includes the aluminum alternator pulley with aluminum fan. This set is designed for most original GM alternators as well as aftermarket 1 or 3 wire alternators. The pulley diameter is 2 13/16 and comes complete with a dress up nose cover.
A nice finishing touch to upgrade an old or new alternator. 5- Double Groove Water Pump Pulley (with bolts).Single Groove Aluminum Alternator Pulley With Nut Cover. Single Groove Saginaw "Key Way" Style Power Steering Pulley. P Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included).