Remove the Valve cover and rocker arms along with the injector harness bracket, injector lines, and the cross over tubes (transfer tubes). 2 bolts holds the injector inplace. Remove the 2 bolts, then take a couple screw drivers, one to each side of the injector and pry up on the injector hold down. Just remember to go back and reset the vavle lash when you reassemble the rocker arms and bridges.