Circuit Sports Engine Torque Damper for S13 SR20DET with a bottom mount turbo. The engine torque damper mounts in between your engine block and the chassis. The engine damper helps keep the engine held down when your pushing the crazy horsepower. This kit comes with rubber grommets, brackets, hardware, and the shock absorbing strut. Well made with high quality hardware and even rubber grommets are included, which can prevent further vibrations. Great as a under bonnet dress-up accessory with function.