OEM GY6 57.4mm cylinder head with valve guides. 

NOTE: Not a stock replacement for Genuine Buddy scooters. Use SKU C5071011000 instead.

Original Parts For Scooters SKU 164-4

Specifications:

• Overall Height: 60mm 
• Bore Diameter: 57mm  
• Intake Port Diameter: 24mm  
• Exhaust Port Diameter: 24mm
• Intake and Exhaust threads: M6  
• Pre-Installed Valve Seats
• Does not include studs or bolts; treat yourself with SKU 155-1
• Valve cover gasket (SKU 1100-1224) and cylinder head gasket (SKU 1100-1226) sold separately

Compatibility:

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.

About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.