street force headers truck force headers competition headers 117 ... requires hooker frame mount #12651 for gm 4 speed 119 this header requires the ... -72 use rear transmission mount #12652 for turbo 350 · 1973-78 use rear ... transmission mount #12653 for turbo 350 120 will fit corvette d-port ... aluminum angle plug heads 121 will not fit with turbo 400 unless ... /2 and later lo-boy 126 some factory heads do not have bolt hole in end holes must ... proper seal 127 will not fit angle plug heads 128 this header requires installation ... pinion steering 129 will not fit 1982 buick century front wheel drive 130 header ... motor mounts from either 2 or 4 wd 1983 fords with a 460 135 this is a tri-y header ... of rear crossmember necessary for installation of left-hand collector 137 ... centerline of axle 141 see page 46-47 for specialty exhaust product applications ...