Performance Polyurethane Body & Truck Cab MountsReplaces distorted and worn-out original rubber mountsbetter than new!Maintains car body-to-frame and/or truck cab-to-bed alignment far longer that O. E. M. rubber mounts. Many sets have strong steel rings that are molded-in. Made of rugged HYPER-FLEX? performance polyurethane material. They replace distorted and worn-out original rubber mounts to maintain car body and truck cab to bed alignment. Original rubber mounts are so soft they often crack, distort, and crush so badly they often fall off! and aluminum body mounts are too harsh for street use that they tend to break and cause other components to break!Energy's specially formulated HYPER-FLEX? polyurethane cab and body mounts combine the best qualities of both: they're soft enough for a smooth ride, yet rugged enough for the most demanding road or track. Most sets have a strong zinc plated steel ring molded into themfor added durability and when the application requires it. In red or black color.Pit Stop USA offers Energy Suspension Body Mount Bushing Set - Polyurethane - Black - 76-81 Pontiac Firebird 3-4144G at low everyday prices. Be sure to check out all of our products from Energy Suspension including Energy Suspension Body Mount Bushings.