Benelli factory parts are a great way to repair or upgrade your favorite Benelli. These parts are manufactured to the same exacting specifications that have made Benelli known for reliability in adverse conditions. This quality craftsmanship ensures perfect fit and reliable function from any Benelli factory part. Both Kits Include(Z) 50mm with right cast(A) 55mm with right cast(C) 64mm with right cast Montefeltro Option IncludesReversible Drop Plate (To change cast, you must use Cast Shim # 61222)C DX & Z SX (side 1)C SX & Z DX (side 2)