This high quality big valve cylinder head for 150cc GY6 engines is from NCY, a respected brand of replacement aftermarket scooter parts The large 2-valve head for Buddy 150/GY6 will help your cylinder breathe better 30 Day Warranty Description This high quality big valve cylinder head for 150cc GY6 engines is from NCY, a respected brand of replacement aftermarket scooter parts. The large 2-valve head for Buddy 150/GY6 will help your cylinder breathe better. We recommend a larger intake manifold with this head. Let Monster Scooter Parts be your source for NCY scooter parts and accessories. Compatibility Genuine Buddy Black Jack 150 Genuine Buddy International 150