This center cap only fits: JR37

Allows Universal BOVs to be converter for use with Turbosmart 38mm OD fitting kits and Universal 38mm OD pipes

16m3 per minute flow

T14 Inconel turbine wheel for extreme EGTs

Cannot be used with stock GT86 wheel bearing and diff

Clutch Kit - Xtreme Outback Extra Heavy Duty Sprung Ceramic Incl Flywheel 1140Nm 1300KG (55% inc.) KNI28590-1BX JR18 This center cap only fits:Xtreme Outback Heavy duty sprung ceramic kit 1BX 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.