Top 8 Best 80cc Big Bore Kit

1.Inner Diameter of Cylinder 47mm. 2.Outer Diameter of Piston Pin 13mm. 3.High Quality Durable Piston Rings. 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. 5. High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine.

Inner Diameter of Cylinder 47mm,Outer Diameter of Piston Pin 13mm. Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. One week money back guarantee if not satisfied. Easy installation with video instruction,you can visit the video on our Facebook homepage and Youtube.. High Performance Upgrade 47mm Cylinder Rebuild Kit for GY6 49cc 50cc 60cc 80cc engine.

1.Inner Diameter of Cylinder 47mm. 2.Outer Diameter of Piston Pin 13mm. 3.Easy installation, Upgrade your engine from 50cc to 80cc with more power. 4.Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,IntakeExhaust Studs,Exhaust Nut. 5.Please contact us if you have any problem about our products, and we will offer you an satisfied solution.

Cylinder Bore 47mm Non-EGR Cylinder. Valve length 69mm. Apply to GY6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts. Parts includedGY6 80cc Cylinder Head with 69mm 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 , 69mm Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 82, belt 6991830, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clu. Fit toRoketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento.

Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow step-by-step installation instructions. Built from race proven designs to Kawasaki factory specifications. Podium-finisher with world-class teams across all forms of high-performance racing including super cross, motocross, GNCC, superbike, and more. Maximizes power and service life in Kawasaki Dirt Bikes and offroad vehicles. Fits the following rides Kawasaki KX 65 2002-2016.

1x Cylinder Block. 1x Piston. 1x Complete Ring Set. 2x Circlips. 1x Piston Pin. 2x Head Gasket Set.. Change from 50cc 39mm41.1mm to 80cc 47mm53.2mm. Works with stock Cylinder head..

Big bore kit for 4 stroke GY6 50 139qma and 139qmb engine. Your vehicle will get more power with this item,easier to climb hill than ever before. Inner Diameter of Cylinder bore 47mm,Outer Diameter of Piston Pin 13mm. Upgrade your engine from 50cc to 80cc. 12 months warranty guaranteed, please feel free to message us via Amazon system email for any concern.

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.. 69mm valve length version. With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug. Simple Installation. Upgrades parts kits for most of 50cc scooter.

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.. 69mm valve length version. Simple Installation. With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug. Upgrades parts kits for most of 50cc scooter.