Single cylinder head from 1970-71 Mercury Cougar with M code 351C-4V engines. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.19 and 1.71 inch valves, and the chambers measure out at 62.8 cc's. These are considered 'Closed Chamber Heads'. With stock pistons, these heads will net an approximate compression ration of 10.7:1.
Basic cylinder head number is 6090. Several Ford casting numbers were used, including the common D0AE-N. "4" in the corner visible with valve covers installed.
Replaces Ford part number D0AE-6090-G,D0AE-6090-H,D0AE-6090-M,D0AE-6090-N,D0AE-6090-R,D1AE-6090-GA
Fits all 351 Cleveland blocks, both M code 4V engines and H code 2V Cleveland engines. If installing on a 2V block must install on both cylinder banks. *DOES NOT fit 351 Windsor blocks.
These weigh 65 lbs. each, and cannot be combined with other items unless shipping truck freight.