Selling a Polished Billet "Key-Way" keyed 1 Groove Power Steering Pump Pulley for a small block or big block. Chevy GM Keyway one single Groove Aluminum billet machined SBC BBC Olds Pontiac 350 454 396 427 302 383 327 355 - Billet Aluminum Polished Finish Pulley - Single Groove - 5/8", 0.65" diameter shaft - Pulley Diameter 4.5" - This fits all GM key-way power steering units through 1984 with a 5/8" Shaft.
