Norton engine barrel and, head fitting kit, 750 Commando 1971 on, stainless steel. Original part number: 067529s - cylinder head front nut & washers x2 067870s - cylinder head rear nut x1 063192s - cylinder head sleeve nut x2 sc15 - barrel base set, unf x1 067918s - cylinder head centre bolt x1 060401s - outer head bolt x4 016213s - washer for head bolt x5