1968-1970 Ford, Mustang, Fastback, Coupe, Convertible, Falcon, Fairlane, Ranchero, Maverick, Mercury Comet. .... 6 Cylinder 200-250 ci. Thermostat Housing-Water Neck. Removed from a 1968 Mustang 200 Motor... Casting Number C8DE-8591-A.. Has the Port Hole for the Ported Vacuum Switch which started in 1968. The Housing is in Great Condition.. Has a Natural Metal Finish and Looks Great. . No Rust.. NO Cracks or Damage. There is some Minor Pitting. This Will Mount and Seal Well. . Good Mounting Surface. No Heavy Corrosion . . Overall, this is a Great Original 6 Cylinder Thermostat Housing.... VERY HARD TO FIND ORIGINAL. Please email with questions .. 031517-12DP CHECK OUT MY EBAY STORE WITH THOUSANDS OF ORIGINAL FORD PARTS. JUST CLICK HERE --->