Baja Motorsports Dirt Runner DR49 DR50 50cc to 70cc Big Bore Cylinder Kit. These parts are designed to fit the following machines.Baja Motorsports Dirt Runner DR50. Please check that these are the correct replacement parts before ordering part, the picture could show the part in more detail. Holiday and weekend not included. That we will not accept items for return that have been installed, used or fitted in any way under any circumstances. If You Have any question about this item, please send message to us, we have technician here who will try to answer all the question you may have. The item "Baja Motorsports Dirt Runner DR49 DR50 50cc to 70cc Big Bore Cylinder Kit" is in sale since Thursday, April 4, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "springsinvestmentsparts" and is located in Spring, Texas. This item can be shipped worldwide.