and Blue Spring Rated -18 to -14 InHg (installed)

Subaru WRX STi Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures

masking tape

Nylon material selection allows for maximum pressure and temperature handling characteristics while maintaining flexibility

These are manufactured with a 1/4″ UNF

Clutch Kit - Xtreme Performance Race Carbon Blade KMI23022-1P JR16 and Blue Spring Rated -18Stage 3 Clutch Kits Carbon Race Series Used by some of the most powerful time attack and drift cars in the world, the Xtreme Clutch single plate carbon clutch provides exceptional heat capacity for high horsepower vehicles. Recommended for: Xtreme powered vehicles requiring improved modulation