duncan 450r/yfz big valves

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Mar 18, 2004 | 08:31 PM

cRazyJ

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duncan 450r/yfz big valves

do any of you guys have big valves for your 450r or yfz? is it worth it?

Mar 18, 2004 | 09:12 PM

SANDMAN430

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duncan 450r/yfz big valves

i do on the ds and it was worth it

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