Original rubber mounts are so soft they often crack, distort, and crush so badly they often fall off!
And aluminum mounts are too harsh for street use that they tend to break and cause other components to break!.1107G Energy's specially formulated HYPER FLEX polyurethane combine the best qualities of both: they're soft enough for a smooth ride, yet rugged enough for the most demanding road or track. Energy Suspension Polyurethane Transfer Case Torque Mount;Color: Black;California Residents: WARNING Energy Suspension Polyurethane Transfer Case Torque Mount - 3.