Supertech Exhaust Valve Guides GDE-NSR6-E, GDE-NSR7-ET, GDE-NSR6-ET

Supertech Exhaust Valve Guides (GDE-NSR)

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Our Valve Guides are precision-machined from high quality Manganese Bronze material.For Exhaust guides for high powered engines that need a better thermal transfer coefficient, Supertech uses a copper alloy. Copper has about 3 times higher thermal...
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