These mounts are .360" shorter than our standard height mounts. They will lower your engine to allow for additional hood and cowl clearance. These work great for Corvette C5 owners who are installing the FAST 102 Intake Manifold. *Features Designed for street and race cars Direct replacement for stock rubber mount Uses factory metric nuts (not included) Stainless Steel construction for rust free operation Interlocking design for fail safe operation Uses factory heat shield Fast installation