Supertech High Performance Valve Spring Kit for BMW S55

  Supertech Sports Valve Spring Kit The valve springs from Supertech are made exclusively from extremely high-quality materials and thanks to the latest technology with the highest precision. In the case of the springs, it is a particularly pure chrome-silicon-vanadium-steel alloy. Thanks to this material, these sport springs are perfect for high-performance engines and high speeds. Furthermore, minimal wear can be guaranteed even under heavy loads. Furthermore, all products are tested in a number of programs and wear fatigue is simulated in order to prevent them and to counteract them with the help of the latest materials and construction methods. Supertech Performance also makes no compromises when it comes to spring retainers and manufactures them from the purest titanium. The complex CNC manufacturing process ensures an optimal fit and guarantees minimal tolerances of the individual parts. Features: Better and faster response Higher engine speed possible Lighter valve train thanks