52mm QMB139 Big Bore Cylinder and Head Kit

QMB139 52mm Performance Cylinder and Head Kit. Includes cylinder, piston, piston rings, wrist pin, cir clips, complete cylinder head with 64mm valves, exhaust gasket, intake gasket, and cam chain tensioner gasket.
When used in conjunction with your stock crankshaft the displacement comes out to 88cc.
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