street forceheaders truck forceheaders competition headers 117 reducers ... or 21/2 slip-on part #11140 118 this header requires hooker frame mount #12651 for ... gm 4 speed 119 this header requires the use of hooker transmission ... -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 ... the part number when ordering 132 this header requires hooker frame mount #12677 use ...