Athena 47.6mm Liquid Cooled Horizontal Minarelli Big Bore Cylinder and Head Kit. Kit includes cylinder, cylinder head, piston, ring, piston pin, cir clips, head gasket, base gasket, exhaust gasket, o-rings and carbon fiber reeds.
When you use this Athena 47.6mm Big Bore Kit you will increase your total displacement to 70cc!
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*You may need to modify your engine case to accommodate the larger cylinder.
