the engine is stock but I have a TCI chaiss STANG 2 fruont end 4 lug pinto 4lug rear end 4 link bar all four doors power windows air cont. the rad. is made by walker. inlet outlet placed by them in the right placed and right seize . many things to do . (I also have a 86 toyota pickup 22RET (TURBO) factroy ) on a good day you can smoke the tires till they pop.