* Includes Vavles and Exhaust Gasket
100cc Big Bore Kits 139QMB 50cc Engines(69mm Valve) for GY6 50CC 139QMB 139QMA scooter. Please carefully check your cylinder valve status BEFORE you place order. 88807 is for 69mm long valve version,(if you need 64mm version, please refer to the item NO.:70002) 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
This product was added to our catalog on Sunday 07 February, 2010.