LK 47mm Cylinder Head GY6 49cc 50cc to 100cc Scooter Engine,69mm Cylinder Head Assy with Valves Set for 139QMB 139QMA Chinese Moped ATV Go Kart Quad,Powersports Engine Kit,Non EGR Type

LK 47mm Cylinder Head ATGT-12Z GY6 49cc 50cc to 100cc Scooter Engine 69mm Cylinder Head Assy with Valves Set,for 139QMB 139QMA Chinese Moped ATV Go Kart Quad,Powersports Engine Kit,Non EGR Type.NOTE:This a Non EGR Head, Does Not Have the EGR Port.Size:Intake Valve Diameter- 18.5mm(0.72in)Exhaust Valve Diameter-16mm(0.63in)Combustion Chamber Diameter-50mm(1.97in)Package included: Cylinder head x1,Bolt x 6,Gasket Kit x1,Industrial Gloves x2Fit for 139QMB 139QMA Chinese Moped ATV Go Kart Quad

• FITMENT:Bore cylinder kit fit for ATGT-12Z GY6 49cc 50cc to 100cc Scooter Engine ,69mm Cylinder Head Assy, Fully Assemblied GY6 49cc 50cc 100cc 47mm Cylinder Head
• SIZE:Intake Valve Diameter- 18.5mm(0.72in),Exhaust Valve Diameter-16mm(0.63in),Combustion Chamber Diameter-50mm(1.97in),NOTE:This a Non EGR Head, Does Not Have the EGR Port.
• REBUILD OUR ENGINE:The valve size and porting of this high performance head compared to the OEM head is day and night.Package included: Cylinder head x1,Bolt x 6,Gasket Kit x1,Industrial Gloves x2
• HIGH QUALITY MATERIAL:The bore cylinder kit are made of durable material.The cylinder is made of strong aluminium,long lasting.An aftermarket cylinder head set is affordable and easy to install.
• HIGH PERFORMANCE:Cylinder head with valves set is strong power,super heat dissipation,durable and oil saving,stable performance.The valve size and porting of this high performance head compared to the OEM head is day and night.