TRiumph pre unit moter large bearing matched cases Hard to find now! t140v barrel fitted t140v.T140v head mofidied for 9 stud rocker boxes, inlet stub welded very hard to see that it is 10 stud head.t140 v crank and rods. also pre unit crankcases early matched set.T140v crank cases matched set no guts.Triumph 4 speed close ratio gear box in swing arm box.Lucas twin racing magneto K2FR mag housing and stainless aramture and larger magnets, this is a racing magneto not a sports one Allan phone 0354681088