Bilstein SNS2 Series shock absorbers feature a 46mm piston, steel construction and smooth body designed for motorsports applications. These shock absorbers feature a steel body cap and a Schrader valve or fill plug. They are upgradeable to adjustable shafts and can be converted to a coilover (kit sold separately). SNS2 Series shock absorbers are ideal for racers whose sanctioning rules require an all steel construction with rebuild capability.