Supertech Exhaust Valve Guides SR20, SR20DET, SR20VE, SR20VVL, 20V, P11, P12, S13, S14, S15, B13, B14, Pulsar, GTiR, FWD, RWD, 240SX, 200SX, 180SX, Silvia, NeoVVL, Kouki, Zenki, Sunny

Supertech Exhaust Valve Guides ()

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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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