NCY Cylinder Head 52mm 88cc 2V 2V 21.5/19 (139QMB)
Description: NCY 52mm 88cc Aluminum Performance Cylinder Head with 2-Valves' 21.5mm intake / 19mm exhaust. Great quality alloy cylinder head designed to work seamlessly with 1100-1237 88cc cylinder kit. Give your 139QMB the power to actually get some respect.
Note: Rocker arm assembly (part # 1100-1326) may be required for some models. Please check the valve stem height, as it relates to the rocker arms installation. Be sure to add an exhaust, upgrade your carburetor and air filter for a complete upgrade.
Includes the following Cylinder Head and Valves Assembly.
• 64mm 2-Valve: 21.5mm intake / 19mm exhaust
• Factory Ported: 24mm Intake / 22mm Exhaust
• Fit 6mm Intake Studs
• Fit 6mm Exhaust Studs
• Fit 64mm Rocker Arm Assembly 2V
• Fit 50mm Stud Spacing /Diagonal 70.5mm
• Fit Cylinder 50mm to 52mm
• Fit Dowel Pin Set (8x14mm)
• Fit QMB 49/50cc+
Supported Models: GY6 139QMB 49cc-50cc engines, Buddy50, Filly 50, Kymco, QLink, RoughHouse, SYM, TaoTao
Item Weight & Product Dimensions:
• 2.281 pounds | 5.357” (L) x 5.345” (W) x 2.5” (H)