fits 1973-87 only 131 available with fitting to accommodate oxygen sensor add an x ... motor mounts from either 2 or 4 wd 1983 fords with a 460 135 this is a tri-y header ... applications only if big block engine frame stands are used from the ... 1968-72 149 does not fit fuel injection engines 150 will fit on angle plug heads except ... and blazer/jimmy equipped with an engine of displacement between 305-400 cubic ... inch engines excluding those catalytic equipped ... wheel base only 157 will not fit stock manifolds that exit straight down 158 dual kit ... side between frame and drive shaft 161 manifold duals will not fit 1965-67 162 manifold ... models manufactured before 2/1/77 165 engine swap mount kit #12678 requires the ... 2 isolators seal power #270-2290 and 2 fordengine mounts #d3ly-6030a right side ...