our unique collar-locking system

And for those wanting to run big boost pressure

and keeps boost steadier throughout the rev range - eliminating the mid range boost drop typical of the standard setup

you can expect a broader boost & torque curve through peak boost being achieved earlier in the RPM and being held longer

allowing for flexibility during installation without compromising sealing and are available in straight

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic Incl Flywheel KGM27504-1BA SL-04 our unique collar-locking systemXtreme 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 Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you need for a