SBC BBC Small Big Block Chevy 350 454 327 427 Black Saginaw 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. 1x Black Saginaw power steering pump. Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included).