Durability is superior for cars, trucks and SUVs; Salt, oil, and a host of other common undercar contaminants will eventually destroy the rubber bushings in your vehicles, not to mention the weight and torque forces that generally compress rubber; Hyper-Flex components, polyurethane support up well to contaminants that often destroy replacement rubber and have been designed to give greater performance and do not compress permanently; Hyper-Flex is offered in a variety of Durometers and softness (or hardness), depending on the product application; Performance tested and race proven; Used for all power suspension products requiring a higher level of performance and durability; Whether you're modifying, building a new vehicle from the ground up or restoring an old one, Hyper-Flex Performance Polyurethane Suspension Energy should be the "Ground Zero" approach to your current and next vehicle plans; With over two decades of experience in innovating, engineering and manufacturing a wide selection of polyurethane components for many different industries, Power Suspension has qualified as a Premier Manufacturer of High Quality Polyurethane Products