Maximum movement up to 2 mm

making these kits ideal for high horsepower and motorsport applications where a high heat capacity is required

That sharper valve response means boost builds faster

100mm lenght key dedicated for some low offset wheels to avoid wheels scratches

The increased flow is achieved through the efficiency of a straight-through valve versus a poppet-style valve where the exhaust gas must be turned 90 degrees by the valve

Clutch Kit - Xtreme Performance Extra Heavy Duty Sprung Ceramic KNI20003-1BX JR39 Maximum movement up to 2Xtreme 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 Clamp load Increased over standard Sprung Ceramic Friction Disc Extra Heavy Duty Pressure Plate Kit contains everything you need