Shock Absorber Type 643 Competition P65With expansion tank on the milling part. The best of the best! The mounting for the pressure vessel is from full aluminum and accommodates the adjustment units of the High and Low Speed pressure stage. Hydraulic blocking and Shocks into the chassis are prevented by a pressure relief valve. As with all of our Competition shocks, there is also a 22 way compression damping in low and high speed. The 22 fold rebound damping can also be adjusted here very