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The easiest way to get more performance from your 50cc or 90cc ATV is to replace the stock top end with our Performance Cylinder Kit. While still using you stock crankshaft, this kit will increase your ATVs engine displacement.
Head Gasket & Base gaskets
90cc ATV (actual engine displacement is 83cc)
above 89 cc
All of our cylinder kits are direct O.E.M. replacements and are manufactured in Taiwan.
This kit is an easy bolt on installation and does not require any modifications to the engine crankshaft or engine case's.
Image displays 47mm Cylinder Kit.