When you’re are looking something from the top shelf when selecting a suspension system for your racecar, the MCS 4W is a good option.

The MCS 4W is quadruple-adjustable damper with an external reservoir. High-speed compression, low-speed compression, high-speed rebound, and low-speed rebound damping forces are independently adjustable. Gas pressure is also adjustable. The high-speed compression and low-speed compression adjusters are located on the remote reservoir head. High-speed rebound and low-speed rebound damping forces are independently adjustable from one very clever knob. With the knob in the “down” position, high speed rebound forces are adjusted. With the knob in the “up” position, low speed rebound forces are adjusted.

These dampers are packed with technical features, but with an elegantly clean execution. The monotube design is stable with more oil capacity and better heat dissipation than twin-tube dampers. Large shafts give extremely high, low-friction side-load support unmatched by shocks inverted and converted for strut applications. The large main piston gives quick, accurate damper response and the divider piston separates oil and gas, eliminating cavitation which often causes noise and sloppiness. Prices vary, but can be found at the Motion Control Suspension website.

Image courtesy of Motion Control Suspension

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