118 this header requires hooker frame mount #12651 for gm 4 speed 119 this header ... requires the use of hooker transmission mounts · 1970-72 use rear transmission mount # ... 350 · 1973-78 use rear transmission mount #12653 for turbo 350 120 will fit ... trans crossmember is set back 2 at the mount 122 three tubes over frame on passenger ... 132 this header requires hooker frame mount #12677 use factory stock rear ... transmission mount 133 header dual exhaust system fits ... swap requires original frame stands and motormounts from either 2 or 4 wd 1983 fords ... if stock small block frame stands and motormounts are used 146 this header ... requires hooker front frame mounts #12609 and hooker transmission mount # ... before 2/1/77 165 engine swap mount kit #12678 requires the purchase of 2 ...