i have a 98 ultra efi, fried both cylinders coming back from bike week in myrtle beach a few weeks ago. am new to this. i have torn the engine down and found i need to replace the 2 piston's and cylinder's, what i need to know at this point is what the bore size is in the case where the cylinders slide in the case, i bought the bike and am having to learn along the way, it has axtell cylinders and j&e pistons, true dual exaust and a power comander that i know of, like i said i'm learning, the bore size i get on the bottom of the cylinder is 4.99thousands, hope i am reading this right. PLEASE HELP!!!