Power Automedia takes a look at the RHS LS Aluminum Engine Block and their new LS7 Pro Elite Cylinder Heads. The RHS block is one of the most advanced engine blocks designed, and perhaps the ultimate for the LS engine family. RHS's new cylinder heads are CNC ported, raised port LS7 designs that provide big time airflow for large cubic inch LS engines, supercharged, nitrous or turbo applications!