GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade for 49cc 50cc 139QMB Engines 64mm/69mm Valve Scooter moped parts, Engine parts Chinese (64mm)

【Cylinder Bore】: 47mm / Non-EGR Cylinder 【Apply to】: GY6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts 【Fit to】Roketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento 【Valve length】: 64mm 【Parts included】:GY6 80cc Cylinder Head with 64mm valve, 47mm Bore Cylinder Block, Set of 47mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of Engine Gasket, 6pins CDI, Ignition coil, 4pin AC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 8.5 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 82, belt 699*18*30, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch