Power Steering Pump Pulley： Double grooves Machined from billet aluminum Diameter is 5 3/4" The shaft is 5/8" standard These feature deep grooves to prevent belts from slipping Fits all GM key way saginaw style power steering pumps Water Pump Pulley Double Grooves Pulley Diameter is 6 9/16" Belt Type: V-Belt Machined From Billet Aluminium These Feature deep grooves to prevent belt from slipping Water Pump Crankshaft Pulley .
