Ford Racing Performance Parts 2005-2010 MUSTANG GT - Shorty Headers Also fits early “Fox” vehicles with modifications 2 Jet-Hot® Limited Warranty 3 Production and all GT-40 heads 5 Finally a header that fits the new angled spark plug 5.0L GT-40 “P” cylinder head. Fits 1986-93 Mustangs with stock or aftermarket H-pipe. Also fits 1979-85 Mustangs and other Fox chassis with minor modification