Dingo Sliders Adjustable Motor Mounts Adapters Black Steel LS Engine Swaps USADingo Sliders Adjustable Motor Mounts Adapters Black Steel LS Engine Swaps USA These Patented Design motor mounts are used when installing the 1997 2013 Gen III IV LS series engine into older GM muscle cars, trucks and any application that uses a standard three bolt factory style engine mount from 1958 to 1972. The sliders give up to 2 of adjustment, and positions the LS engine higher than other adapter plates. You can use your factory rubber engine