with 140mm rod

The BOV controller can vent this build up of pressure

Check out the Mazda RX8 rear suspension kit

and spare parts

RX7 has a double A-arm suspension

Clutch Kit - Xtreme Performance Extra Heavy Duty Sprung Ceramic Incl Flywheel 1050kg (75% inc.) 750Nm KNI24540-1BX JR35 with 140mm rodXtreme Performance extra sprung ceramic kit 1BX Recommended for: Motorsport ApplicationsThese kits are available with sprung ceramic friction discs and are designed for motorsport applications where higher heat and torque capacity is required. These can also be used in some road applications. Specifications: Torque capacity 750Nm Clamp load 1050kg 75% Increased over standard Sprung Ceramic Friction Disc Extra Heavy Duty Pressure Plate Kit contains