resulting in a self-balanced valve against any drive pressure

Vacum High -7inHG

meaning it experiences slow boost build up and boost drop at high RPMs

if not eliminated it

Clutch Kit - Xtreme Performance Extra Heavy Duty Sprung Ceramic KTY20005-1BX JR37 resulting in a self-balanced valveXtreme 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