48cc/66cc/80cc Dio Reed Valve set

48cc/66cc/80cc Dio Reed Valve set Dio reed valve for 66cc/80cc motor kit High Performance dio reed valve kit only.  excluding adapter or block;   Compatible with OKO PWK28MM Carburetor and Maikuni PWK28MM Carburetor  Dio Reed valve and Cylinder Combo;Inner Dia of Intake:1.26inch A little porting on the intake side only; fully 100% processing on cylinder and block; There is GAP between block and cylinder,buyers need buy glue and glue the gap by themselves; There are two small bolts upside and two downside of cylinder, screw the 4 bolts after glue in order to fasten the block and cylinder, or throw them away after glue if glue is strong and perfect, WE GET VIDEO ON HOW TO GLUE, CONTACT US PLEASE ANYTIME.      · Inner Dia of Intake:1.26inch    · dio reed valve kit for motorized bicycles;    · higher performance fully 100% cnc machine processing the block;    · works with 48cc/66cc/80cc engine kit;   Advantage: stronger power,better performance of air-cooling etc Comment: 1): 2pcs gaskets for reed valve and 1pc gasket,reed valve are included in package; 2):if buyers buy the cylinder to match the dio reed valve kit,buyers need find 40mm intake gasket and glue the gasket by themselves which works better between the block and cylinder in order to seal it ; 3): 4pcs bolts fastening the reed valve kit are included too;