RUF Bilstein sport suspension kit. This kit is based off the tried and true Bilstein coilover kits, but built to RUF’s specification. The kit includes four shock absorbers, eight coils, and a new rear stabilizer bar. This suspension kit is suitable for both the street and the track, with special care taken to ensure no drivability was lost during street driving. Fits 993 C4, C4S, and Turbo.