You can expect an increase of 3 to 4PSI (peak boost) but the real improvement is in the mid-range

\nOrganic Friction Discs

The car performs well on the streets and can be driven fast on a racetrack

Premium Turbosmart Quick Release Barrel Hose Clamp - 1

while its precision billet construction gives better sealing and durability

Clutch Kit - Xtreme Performance Heavy Duty Cushioned Ceramic 580Kg (20% inc.) 410Nm KTY23018-1C Others You can expect an increaseXtreme Performance Cushioned Ceramic kit 1C Recommended for: Motorsport ApplicationsThese kits are available with cushioned 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 410Nm Clamp load 580Kg 20% Increased over standard Cushioned Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains