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The new XTR QUATTRO ALUMINIUM 1/8 CLUTCH comes pre-assembled with 1.0 mm springs and is ready to be installed directly onto the engine.

It also includes additional 0.9 mm and 1.1 mm springs, as well as all necessary shims for optimal and precise adjustment according to track conditions and driving preferences.

The XTR QUATTRO is manufactured using the highest quality materials, ensuring maximum performance, reliability, and consistency in high-level competition.

The HW G4R timing fixing cover is designed to ensure precise and secure fastening of the timing adjustment system. Manufactured from high-strength materials, it provides excellent durability and stability even under demanding conditions.

It is compatible with all G4R engines and is ideal for Stock championships, where it helps ensure that all cars compete with the same power output and under equal conditions.

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