Alluwant-Autoparts 45° Swivel Water Neck Thermostat Housing For Sbc Bbc Chevy 327 350 396 454 NEW. Fits SBC & BBC Chevy 283 302 305 327 350 400 396 427 454 502 Engines. Sealing type: 45° swivel polished water neck with O-ring gasket for better sealing.
