Fascia diameter (gauge and bezel) - 57mmRear diameter (gauge body) - 52mm

This center cap originally fits: JR3 (15-16")

You could tune your steering geometry from parallel to positive Ackermann in just a few minutes even at trackside without messing up an alignment

The car performs well on the streets and can be driven fast on a race track

providing an accurate manifold pressure reference to the actuator without having to tap into the manifold

Xtreme Performance - 184mm Rigid Ceramic Twin Plate Clutch Kit Incl Flywheel 1220Nm KTY18523-2E JR6 Fascia diameter (gauge and bezel)Xtreme Motorsport 184mm twin plate Designed for high powered circuit, time attack or gymkhana applications, the Xtreme 184mm Race Clutch offers quick shift times and a lightweight construction. The Xtreme 184mm Race Clutch is an economically priced solution for those wanting a strong Race clutch without having to compromise on quality. The Race Clutch is a lightweight design for when every second counts. Product Features: Push type billet alloy cover