Description:

Overall Height:60mm/2.5",Intake mounting distance:45mm/1.77". Stud Spacing:62mm/2.44",Hole distance:53mm*53mm/2.08"*2.08". Completed cylinder head with pre-installed valve.Replacement for 4 stroke GY6 150cc Engine ATV scooter. Close the upper part of the cylinder better.It forms a combustion chamber with good sealing.It mainly draws air into the cylinder,the spark plug ignites the combustible gas mixture,drives the piston to do work,and the exhaust gas is discharged from the exhaust pipe.