Traditional methods to limit oil pressure have been with a restrictor

It is common to achieve 100 - 200% increases in boost over the base spring pressure

Please look up the vehicle application guide for more detail

Nissan S13 S14 S15 Front V2 Rack Offset Spacer Kit

Its brass piston is both strong and light

Clutch Kit - Xtreme Performance Heavy Duty Organic 230Nm 540kg (50% inc.) KNI20002-1A Others Traditional methods to limit oilXtreme Performance sprung organic kit 1A Recommended for: Street use in vehicles with minor engine modifications. Sprung organic clutch kits offer exceptional driveability for vehicles used daily but also have performance modifications. The sprung organic disc offers improved dampening which reduces the shock loading on the transmission. Specifications: Torque capacity 230Nm Clamp load 540kg 50% Increased over standard Organic Friction Discs Heavy