Rotary Valve Disc, RG500, 112 mm (standard)

RG 500 Gamma rotary valve disc interchangeable with the original

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The disc is made in hardened surface ground spring steel. Shape, dimensions and intake timing are same as stock; regarding installation it can be mounted on both the original hubs (you can reuse) and our hubs in all versions (riveted, bolted and adjustable).

PAY ATTENTION: the RG 500 and RG 400 engines discs are different. If you are looking for RG 400 spare discs, contact us.