429 CJ

Single cylinder head from 1971 Mercury Cougar with 429CJ engine. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.24 and 1.72 inch valves, and the chambers measure out at 73.5cc. With stock pistons, these heads will net an approximate compression ration of 10.5:1. Basic cylinder head number is 6090.  Also fits all 1970-71 Ford or Mercury with the J or C code 429 Cobra Jet engines, including Torino and Cyclone.Ford casting number...