Seller notes

Fancy Scooters Brand new BBK BIG BORE CYLINDER KIT for Baja Motorsports Dirt Runner DR49 DR50 Dirt bikeIncrease the engine displacement from 49cc 50cc to 70ccBig Bore Kit includes:Cylinder headCylinder body / jug w/ 72cm3 markingRocker armsIntake/Exhaust valvesHi-Lift Camshaft includedCamshaft sprocket includedHead gaskets, extra set of head cover gaskets and o-rings as shown in the pictureExhaust ringPiston & rings, wrist pins, clips...

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