The discs still retain the sprung hub that helps to reduce shock loading

Turbine Exducer: 80mm

\n TS-0554-1242: HP High-Pressure Version (up to 26psi Base Pressure)

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Stainless Steel cast body & Aluminium actuator housing

Clutch Kit - Xtreme Performance Race Sprung Ceramic 1600Kg (120% inc.) KNI24013-1R JR28 The discs still retain theXtreme Performance Extra Heavy Duty Sprung Ceramic 1R Recommended for: Motorsport Applications 1R kits feature a sprung ceramic friction disc, but with even greater clamping force pressure plate for higher torque capacity. These kits are designed specifically for motorsport applications such as circuit, rally, drifting and drag racing. Specifications: Torque capacity Increased Clamp load 1600Kg 120% Increased over standard Sprung Ceramic Friction Disc