Scooter Parts UnlimitedBrand New -Replacement - Cylinder Kit - 49ccFits 43cc 49cc - Super Pocket Bikes, X1, X2, X7Also Fits - Stand Up Gas Scooter, Moped Models 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!Items will be shipped according to the type of payment method you choseItems will be ship out within 24 business hours of purchase to USPS You should receive your item: in about 3-5 business days in the lower 48 States (First Class Mail)in about 2-4 business days in the lower 48 States (Prority Mail)in about 1-2 business days in the lower 48 states (Express Mail)in about 7-14 business days if item is shipped internationally (First Class International)in about 4-7 business days if item is shipped internationally (Global Priority Mail) After purchasing, pay instantly with your credit card through PayPal!