S14 / S15 kit is for the 5 lug spindle

high performing 50mm external wastegate designed for control strategies that actively bias the top chamber with high pressure for large boost bandwidth operation

Brown/Blue 10psi Spring (installed)

under-the-radar operation

Clutch Kit - Xtreme Performance Heavy Duty Organic Incl Flywheel 630Nm KFD27504-1A Xtreme Outback S14 / S15 kit isXtreme Performance sprung organic kit 1A Recommended for: Street use in vehicles with minor engine modifications. Sprung organic clutch kits offer exceptional driveability for vehicles used daily but also have performance modifications. The sprung organic disc offers improved dampening which reduces the shock loading on the transmission. Specifications: Torque capacity 630Nm Clamp load Increased over standard Organic Friction Discs Heavy Duty Pressure