Untitled DocumentMinibikepartsnowBrand New -Performance Big Bore KitFits 43cc 49cc Mini Chopper Bikes* Increase your Engine to 52cc *This is a high performance upgrade from the manufacturer Great PRICE!!Original Price $129.95 Buy it now for $54.95!! ( This upgrade is very hard to find for 2 Stroke Super Bikes! ) Most effective way to Increase Engine Performance, gain horse power, and increase speed!! This big bore kit is design for racing enthusiams that want to add top performance to their bikeCylinder DescriptionTop View Side View Bottom View The entire Performance Big Bore Kit includes: 1 pcs Cylinder , 1 pcs piston, 1 pcs pin, 2 pcs piston ring, 2 pcs clip, 1 pcs needle bearingThis Big Bore kit bolts on just like your stock Cylinder KitFits most gas powered 2 stroke mini bikes 43cc 49cc( 2 Stroke Super Bikes) Most mini bikes use the same generic partsFits the following model of mini bikes & Many More not listed hereX-1, X-2, X-6, X-7 Models and more!