Glixal GY6 170cc 61mm Engine Rebuild Kit, Big Bore Cylinder Kit with Head

Attention:61mm Bore Cylinder May Require to Machine the Crankcase on Some Engine Models Big Bore Kit Includes:Cylinder Head Assy with Valves Set (Already Installed)170cc 61mm Cylinder Block 170cc 61mm 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. Update Kit for 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.

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

Inner Diameter: 61mm; Outer Diameter: 65mm (May Require to Machine The Crankcase)

Outer Diameter of Piston Pin: 15mm

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

Comes with a Non EGR Cylinder Head, Does Not Have the EGR Port

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