Highest quality OE replacement piston ring set available - MAHLE replacement ring sets are designed with OE form, fit, and function.
MAHLE piston rings with SAE 9254 high alloy steel base material combine to make the ultimate piston ring base material: higher tensile and yield strength, extended fatigue resistance, and increased material hardness.
MAHLE second rings provide superior oil control, improved combustion gas management, top ring stability, and sealing providing the best possible oil control and least amount of power loss.
MAHLE CP-20 oil rings provide superior oil control in all applications utilizing the exclusive 20 degree ear angle for the best possible side seal in the piston oil ring groove and simplifies installation.
MAHLE continues to lead the industry with SAE 9254 high alloy steel napier second rings providing high quality grey iron/ductile iron BT and RBT second rings.
GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines 64mm Valve scooter moped parts, GY6 Engine parts for Chinese Scooter(64mm Valve Length)
【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.
【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.
【Fit to】Roketa, Sunl, Baja, Taotao, Panterra, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento.
Zeda 80 Performance Bicycle Engine Kit with Dio Reed Valve & OKO Carb - Silver - Motorized Bike (36 Tooth)
Take your 2-stroke motorized biking to the next level with this complete Dio performance kit including the engine, mounting hardware, and stock exhaust pipe.
The included Dio reed valve, OKO carb, K&N style air filter (or optional velocity stack), and modified Dio cylinder round out this performance package that will yield tons of torque and increased speed.
For even more power and performance it can also be paired with our Zeda88 performance pipe (select from the drop down above).
or pick up a Dio Upgrade Kit for just $99.
Kit includes: 2.95 HP 2-stroke engine, modified Dio cylinder with piston, 21mm OKO flat side carburetor, 6 flap Dio reed valve, K&N style mesh air filter.
Performance parts: stainless steel allen bolts, enhanced balanced crank, upgraded bearings + 60% thicker crank case around bearings, stuffed crankcase, large intake port (40mm bolt hole width), round exhaust port 40mm crank stroke (more powerful, efficient, and reliable), type B piston (high wrist pin), long rod (89mm).