Traditional methods to limit oil pressure have been with a restrictor

\n1/8NPT to -4AN Male to Male Adaptor TS-0550-3051

The GenV External Wastegate from Turbosmart was a ground-up rework of a classic

Brown/Blue 10psi Outer Spring (installed)

Clutch Kit - Xtreme Performance Heavy Duty Cushioned Ceramic 1250Kg (15% inc.) 870Nm KBU28091-1C SL-03 Traditional methods to limit oilXtreme 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 870Nm Clamp load 1250Kg 15% Increased over standard Cushioned Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains