GY6 150cc 57.4mm Engine Rebuild Kit, Cylinder Kit with Cylinder Head

Includes:Cylinder Head Assy with Valves Set (Already Installed)150cc 57.4mm Cylinder Block 150cc 57.4mm Piston Set (Piston,Piston Rings,Piston Pin,Piston Pin Clips)Valve Oil SealsGasket Set (Head and Base Gaskets ,Tensioner Gasket ,Exhaust Gasket) Studs Set (Intake Studs, Exhaust Studs,Exhaust Nut )You will also get an extra BACKUP Kit include the gasket set and stud set. Fits the GY6 125cc-150cc Engine with a 60mm Height Head with 54mm Stud Spacing. It Will Not Fit GY6B engine with 57mm Stud SpacingCompatible with GY6 125cc 150cc 4-Stroke 152QMI 157QMJ Scooter Moped ATV Go-Kart. Such as Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, VIP, Taotao and many others.

Big Cooling Fins, Fits 4-stroke 152QMI 157QMJ Taotao X-Pro PGO Lance BMS Roketa Vento Genuine Buddy, Kymco Moped Scooter ATV

Inner Diameter of Cylinder: 57.4mm

Outer Diameter of Piston Pin: 15mm

Intake Valve: Outside Diameter 28mm / Length 66mm; Exhaust Valve: Outside Diameter 23mm / Length 65.5mm

This a Non EGR Head, Does Not Have the EGR Port

Only Fit 54mm Stud Spacing GY6 125cc 150cc 157QMJ Engine. (Will Not fit GY6B Engine with 57mm Stud Spacing)