S14 / S15 kit is for the 5 lug spindles

This also aids in valve and guide cooling

A direct fit upgrade to all 4th-generation Turbosmart wastegates and feature our unique collar-locking system

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Xtreme Performance - 184mm Rigid Ceramic Twin Plate Clutch Kit Incl Flywheel 1220Nm KHN18526-2E JR35 S14 / S15 kit isXtreme 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