NCY 52mm Big Valve Racing Head
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NCY 88cc Aluminum Performance Cylinder Head. Great quality alloy cylinder head designed to work seamlessly with 1100-1248 88cc cylinder kit. Give your 139QMB the power to actually get some respect. You can use this cylinder on all 139QMB engines from SYM, Kymco, QLink, Filly 50 as well as other Chinese scooters with the 139QMB engine. Note:Rocker arm assembly (part # 1100-1326 ) may be required for some models. Please check the valve stem height, as it relates to the rocker arms installation. Be sure to add an exhaust , upgrade your carburetor and air filter for a complete upgrade. Not legal for use in California on pollution controlled vehicles. Check local laws before installing. This product is not intended for use on public roads or land.
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