Cylinder Head, 50mm Big Bore 90cc Non-EGR for 50cc 4-Stroke 139QMB Scooters

50mm Big Bore 90cc Non-EGR Cylinder Head for 50cc 4-Stroke 139QMB Scooter

INCLUDES:

• For Use With 81.3cc Big Bore Kit
• Valve Length: 64mm
• Overall Height: 59.5mm
• Intake Port Diameter: 18mm
• Exhaust Port Diameter: 17mm
• Intake Bolt Hole Spacing: 44.5mm
• Exhaust Bolt Hole Spacing: 50mm

COMPATIBILITY:

• Amigo – 50cc 4-Stroke Scooters
• Apollo – 50cc 4-Stroke Scooters
• Baotian – 50cc 4-Stroke Scooters
• Baron – 50cc 4-Stroke Scooters
• Bintelli – 50cc 4-Stroke Scooters
• BMS – 50cc 4-Stroke Scooters
• Coolster – 50cc 4-Stroke Scooters
• CSC – 50cc 4-Stroke Scooters
• Diamo – 50cc 4-Stroke Scooters
• Flyscooter – 50cc 4-Stroke Scooters
• Ice Bear – 50cc 4-Stroke Scooters
• Italica – 50cc 4-Stroke Scooters
• JCL – 50cc 4-Stroke Scooters
• Jonway – 50cc 4-Stroke Scooters
• Kandi – 50cc 4-Stroke Scooters
• Kinroad – 50cc 4-Stroke Scooters
• KMD – 50cc 4-Stroke Scooters
• Kymco – 50cc 4-Stroke Scooters
• Lance – 50cc 4-Stroke Scooters
• Leike – 50cc 4-Stroke Scooters
• Linhai – 50cc 4-Stroke Scooters
• Longbo – 50cc 4-Stroke Scooters
• Motobravo – 50cc 4-Stroke Scooters
• Motofino – 50cc 4-Stroke Scooters
• Motorino – 50cc 4-Stroke Scooters
• NST – 50cc 4-Stroke Scooters
• Peace – 50cc 4-Stroke Scooters
• Puma Cycles – 50cc 4-Stroke Scooters
• Redstreak – 50cc 4-Stroke Scooters
• Roketa – 50cc 4-Stroke Scooters
• Scootstar – 50cc 4-Stroke Scooters
• Schwinn – 50cc 4-Stroke Scooters
• SSR – 50cc 4-Stroke Scooters
• SUNL – 50cc 4-Stroke Scooters
• Supermach – 50cc 4-Stroke Scooters
• SYM – 50cc 4-Stroke Scooters
• Tank Sports – 50cc 4-Stroke Scooters
• TaoTao – 50cc 4-Stroke Scooters
• Trailmaster – 50cc 4-Stroke Scooters
• Veloz – 50cc 4-Stroke Scooters
• Verucci – 50cc 4-Stroke Scooters
• Vitacci – 50cc 4-Stroke Scooters
• Viva – 50cc 4-Stroke Scooters
• Wolf – 50cc 4-Stroke Scooters
• Xingyue – 50cc 4-Stroke Scooters
• ZNEN – 50cc 4-Stroke Scooters

50cc QMB139 4-stroke 50mm, Non Emissions Cylinder Head with 64mm Valves for use with 81.3cc Big Bore Kit!

**NOTE: There are two versions of this head. It either comes with a 64mm or 69mm valve kit. Please verify first before placing an order.