check the logs

As a bang-for-buck modification

and Yellow Spring rates to -22 to -20 InHg (installed)

focusing on reducing back pressure and featuring high-performance turbines

Fitting allows use of 6mm ID hose to referance/vacumm ports

Clutch Kit - Xtreme Outback Heavy Duty Cushioned Ceramic 450Nm 730Kg (20% inc.) KGM25001-1C JR10 check the logsXtreme Outback Heavy duty cushioned ceramic kit 1C Recommended for: Motorsport Applications Xtreme Outback Ceramic upgrades have been designed to offer the ultimate in heat capacity for single plate upgrades and are designed specifically for motorsport applications such as endurance rally events and time trials. Available in Sprung Ceramic and Cushioned Ceramic, there are a wide variety of options to choose from depending on the vehicle use.