GY6 "200cc" 61mm Cylinder Head

61mm Cylinder Kit for 161QMK "200cc" GY6 4-stroke engine powered buggies and ATVs with larger cylinder stud spacing than standard GY6 engines (please see specs). Includes intake and exhaust studs.

• Combustion Chamber: 61mm
• Cylinder Stud Spacing (Diagonal): 79mm
• Overall Height: 64mm (Not Including Valve Springs)
• Exhaust Valve Diameter: 23mm
• Intake Valve Diameter: 27mm
• Exhaust Port: 23mm
• Intake Port: 24mm
• Exhaust Stud Size: 8mm