MCC6009 Aluminum Swivel 90 Degree Small Block Chevy Water Neck 1957 - 1986 Small Block Chevy 283 327 350 383 400 396 427 454 1966 to 1985 Water Neck Can be Clocked In Any Position 360 Degrees Before Tightening Thermostat Housing Is Milled Flat After Production To Insure A Flat Sealing Surface Comes With The Mounting Bolts Comes With O-ring Gasket Will Not Work On LT1 or LS Chevy Engines.
