This big bore kit is suitable for 47/49 cc pocket bikes. BIG BORE KIT INCLUDES, Cylinder (Ported), Piston, Piston rings, Pin and Base Gasket.
NOTE: This is not your average Big Bore Kit, it is precision PORTED for added performance. Usually the claimed 47/49 cc pocket bikes are actually about 42cc, this bog bore kit
boost your pocket bikes to 53 cc.
This High performance Mod will give you more power from accelleration all the way up to top speed.
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