Over twenty years of positive customer raves have attested to that. Proven on the race track as well as the street, on and off-road, under the most demanding conditions. The three most valuable reasons for using Energy Suspension's Hyper-Flex components are performance, durability and appearance. Durable Hyper-Flex components do not rot or deteriorate from exposure to oils and undercar chemicals or atmospheric conditions like smog and ozone., Unlike O., E., M. Energy Suspension Rack and Pinion Bushing Sets include two round polyurethane bushings that keep rack and pinion steering assemblies properly aligned to allow smooth movement and absorb noise, vibration, and harshness And for improved appearance, Hyper-Flex components are available in red or black, to suit your needs for show or go., High quality , High performance , Professional products The nature of this superior material, Energy Suspension's Hyper-Flex, is the result of twenty plus years of experience working with and formulating polyurethane materials. Key Features Material: Black Performan Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently Energy Suspension 7.10104G Steering Rack Bushing Set For Dorman 905-402 Rack and Pinion Bushing Compatible with Select Infiniti/Nissan Models