This is the RUF Bilstein Suspension kit for Porsche 964/965 vehicles up to and including 1990. Built by Bilstein, but valved to special RUF specifications, this is the ultimate street suspension for your Porsche 964 and 965. Extremely capable for the track, but comfortable enough on the street. This kit consists of four shock absorbers, and eight coils. Inquire for installation costs.