\n Boost-Balance Valve Technology

Yellow Spring rated -22 to -20 InHg (installed)

and vast improvements in corrosion resistance

Genuine street performer with good flow & heat characteristics

and White Spring rated -21 to -19 InHg (installed)

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic 620Nm KMI24001WC-1B JR37 \n Boost-Balance Valve TechnologyXtreme Performance sprung ceramic kit 1B 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 620Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need for a