this kit is engineered and tested to optimize a lot of other parameters that make a difference in handling and performance

Brown/Pink 7psi Outer Spring (installed)

The Porsche 996 Turbo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures

Fitting Kit

Accessory Pack (includes nipples for solenoid)

Clutch Kit - Xtreme Outback Race Sprung Ceramic Incl Flywheel 850Nm KSU23515-1R Mazda this kit is engineered and" Xtreme Outback Heavy duty sprung ceramic kit 1R Recommended for: Motorsport Applications 1R kits are sprung ceramic single plate upgrades like seen in the "" 1B"" kits, however these kits offer even further clamping force for vehicles that have had significant performance modifications. Used regularly in motorsport applications, these kits are ideal for competition cars still used on the road (such as rally cars). Specifications: Torque capacity