SBC BBC Chevy Black Saginaw Style Power Steering Pump with Single Groove Pulley. SBC BBC Small Big Block Chevy 350 454 327 427 Saginaw Style Power Steering Pump. This is a brand new BLACK Chevy GM power steering pump. Designed to fit Small & Big Block Chevy 283 – 305 – 307 – 327 – 350 – 400 396 – 402 – 427 – 454 engines. Saginaw power steering pump with reservoir & dipstick. Key way style shaft. 5/8-18 Inverted flare pressure hose inlet (adapter required if using metric hose). Compatible with Single or Double Groove Pulleys (Will NOT Work on Press-on Pulleys). Pulley Nut & Keyway Tab Included. 3/8 Hose Barb Return Line. 5/8 Shaft with Keyway. GM Black Single 1 Groove Power Steering Pump Pulley KeyWay SBC BBC Chevy 350 454. FITS ALL GM KEYWAY 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. DIAMETER IS 5 3/4″ AND THE SHAFT IS 5/8″ STANDARD. MADE FROM HEAVY GAUGE STEEL. THESE FEATURE A DEEP GROOVE TO PREVENT BELTS FROM SLIPPING. Package includes: As shown in our pictures. Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included).