i have been a longtime member of the mustang K code site as well as other mustang sites, just recently sold the last of my cars a 65 k code conv, also sold my 66 a code g.t as well as my 67 fastback c code, and like always i wish i had them back. i still have a pair of hi-po heads dated 5-a 11 and 5-c-3 with rocker arms and valve covers asking $1400