The Cylinder Exchange Program gives you a complete top-end for your engine, ready to bolt on. If your sleeve(s) is damaged or your current bore is beyond the max service limit - don't worry, we resleeve at no-charge. It also includes cylinders, all new SBT pistons, rings, wrist pins, wrist-pin bearings, c-clips, base gaskets, head/head cover gaskets/o-rings, intake and exhaust gaskets. Rebuildable core cylinders required for exchange. Visit the Program Description for further details. Kit does not include R.A.V.E. Valves  Please call SBT for shipping rates Additional purchases of R.A.V.E rebuild kits are recommended.