MCC521 Chrome Small Block Chevy Water Neck 1966 - 1985
Steel , Triple Plated Copper / Nickel / Chrome
Small Block Chevy 283 327 350 383 400 1966 to 1985
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