This center cap originally fits: JR6

Replacement Diaphragm for single port IWG-75 actuators

\n\t\n The Turbosmart RacePort is famous for being an amazingly small and light BOV for turbocharged competition-level engines

Recommended backspacing is 135-140mm (7“ ET45

The fresh air valve allows for incoming charged fresh air from the turbo to be diverted safely into the exhaust manifold pre-turbine wheel with the throttle at low opening angles to allow for safer spooling of the turbocharger without the potentially damaging throttle based late combustion event style anti-lag that can induce high engine stresses and break connecting rods

Clutch Kit - Xtreme Performance Heavy Duty Sprung Ceramic 470Nm 700kg (45% inc.) KHD23001-1B Ceramic coating This center cap originally fits:Xtreme Performance sprung ceramic kit 1B 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 470Nm Clamp load 700kg 45% Increased over standard Sprung Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains everything you