Ohlins Road & Track Coilovers for 1993-1995 Mazda RX-7 (FD)The Ohlins Road & Track Coilovers give your 1993 1995 Mazda RX 7 a true racing experience without losing comfort when commuting to work. Our unique Dual Flow Valve (DFV) technology allows you to quickly change the stiffness of the shock absorber. When arriving to the racetrack, just turn the golden knob clockwise on the damper to set it in race mode this action changes all four areas in the damper; low and high speed compression and rebound damping.