100cc Big Bore Kit Cylinder Head Piston Rings Scooter 139qmb Gy6 Engine@70002
Cylinder Engine Head, (64mm valves) Cylinder (50mm ID) Piston (50mm OD) Qmb139 Roller Weights,16*13 Oil Pump (42.5mm bolt hole spacing)
Please carefully check your cylinder valve status BEFORE you place order. 70002 is for 64mm long valve version,(if you need 69mm version, please refer to the item NO.: 88807) 100cc big bore performance upgrade engine kits with cylinder head. For GY6 50CC engine upgrade. Why Settle for 50cc or Even 80cc now you can almost double your power with this 100cc conversion Kit. It comes with everything you need to turn your 50cc Scooter into a 100CC ! Dealers make money with this kit, this item is hot, 100 cc Big Bore Kit This kit fits with most Chinese Scooters/Mopeds with 50cc, 60cc, 70cc, 90cc 4-Stroke GY6/139QMB engines!!! This bore kit can rebuild your 50cc 60cc 70cc 90cc bike to 100cc. This will increase your powerband anywhere from 50-75% so be ready to go faster!!! Included in this big bore set is: • Cylinder Engine Head, (64mm valves) • Cylinder (50mm ID) • Piston (50mm OD) • Wrist Pin • Complete Gaskets Set • Complete Ring Set • Qmb139 Roller Weights,16*13 • Oil Pump (42.5mm bolt hole spacing)
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{"Package Dimensions": "17.6 x 8.5 x 4 inches", "Item Weight": "5.2 pounds", "Item model number": "#70002", "Date First Available": "January 9, 2013"}