Semi Gloss Black Aluminum 2 Groove Power Steering Pump Pulley. 

This pulley is the double  groove and fits most Chevy and GM power steering pumps with the key-way shaft. 

Pulley measures 5-3/4" in diameter 

This is a machined balanced for quality a pulley.

Does NOT come with pulley nut.

See my store for more pulley options.