The Plumb Back is a fully recirculating valve

high-performing external wastegate designed for control strategies that actively bias the top chamber with high pressure for large boost bandwidth operation

Combined with a chip tune

and Billet Construction

Clutch Kit - Xtreme Performance Heavy Duty Cushioned Ceramic 800Kg (60% inc.) 430Nm KNI23011-1C JR23 The Plumb Back is aXtreme 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 430Nm Clamp load 800Kg 60% Increased over standard Cushioned Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains