This center cap only fits: JR1 and JR2

Set includes 37 pieces of spare rivets (replacement for single wheel) for JR-39 and JR-43 in Chrome color

The Kompact holds boost in better than the factory valves

25" / 55-60mm (to suit most 2

Clamp load 700Kg 45% Increased over standard

Clutch Kit - Xtreme Outback Heavy Duty Sprung Ceramic KTY30015-1B JR9 This center cap only fits:Xtreme Outback Heavy duty sprung ceramic kit 1B 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.