force headers competition headers truck force headers footnotes 1 this system ... fit motors equipped with air injection pump without modification 11 header designed ... tube over frame right side 31 without oil cooler 32 will not fit 71-72 comet ... control devices i.e e.g.r and air pump fittings 37 this header cannot be ... 73 1990 models require the use of oil pan and pickup from 87-89 models 74 ... with provisions for oxygen sensor all parts are coated with hooker s metallic ... for e.g.r oxygen sensor and air pump smog tree welded to header 95 will not ... installation requires use of gm factory parts frame stand left #1705321 right # ... left #1250717 right #1250716 above parts also available from 75-78 skyhawk ...