Seller notes

1) The Runfast New Cylinder Body will replace the cylinder body of 2 stroke 66cc/80cc motorized bike engine kits,NOT compatible with 48cc 2 stroke kit; 2) New open port Design inside 3) New Design on outlet to muffler and air intake to manifold intake; 4) 40mm Intake Manifold Stud Spacing; 5) Cylinder port intake and exhaust Gaskets are included! 6) G.W:0.7kg/Package 7) Inside wall of cylinder: Electroplated 8) Includes bonus free high hole piston kit!!!! Product description Installation is simp...

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