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NCY

NCY Gear Set (18*46); QMB139, CSC, Wolf, 50cc

SKU: 1200-1270

$65.00
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Description

NCY QMB139 upgear kit for your 50cc 4-strokes is finally here!  This kit is made specifically for larger big bored engines and increases your gear ratio by 26%.  This will allow you to maximize your big bore kit by increased top speed and a more usable rev range. You won't see much if any improved performance if you install these on a stock top end.  For experienced tuners only.

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