Small Big Block Chevy Black Saginaw Power Steering Pump SBC BBC 350 400 396 454. Saginaw Power Steering Pump. Small & Big Block Chevy. 283 – 305 – 307 – 327 – 350 – 400. 396 – 402 – 427 – 454. Reservoir & Dipstick Included. 5/8 Inverted flare pressure hose inlet (adapter required if using metric hose). 1x Black Saginaw power steering pump. Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included).