set made of four 116 mm steel rotary valve discs for the RG 500 Gamma engines that have a properly modified intake system.
Pay attention, the price of this product is below cost and is reserved as a "bonus" for customers who purchase a valve kit; in other words, it is not sold separately and can only be requested when purchasing a valve kit.
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This product was added to our catalog on Friday 28 November, 2008.