TFC 63mm Cylinder and Stroker Crankshaft Kit – GY6

63mm TFC cylinder and head, A8 high lift cam, and +3.0mm stroker crank kit for GY6 150cc vehicles with A-case engines. 190cc displacement!

Please see our Warranty & Returns Policy.

• Cylinder Bore: 63mm
• Cylinder Stud Spacing: 54mm (A Case)
• Exhaust Valve: 23mm
• Intake Valve: 28mm
• Cylinder Skirt Outer Diameter: 65mm
• +3.0mm Crankshaft (60.8mm Stroke)
• Does Not Include Wrist Pin Bearing
• Made in Taiwan