Norton dollshead gearbox front chain adjuster. A new complete front chain adjuster with adjuster screw bracket and nuts to suit dolls head and upright gearbox. Suit Nortons approx 1931 to 1946 Models: Big 4, 16H, 18, 19, 20, ES2, 50, 55, CS1, 30, 40, CSJ, Original Norton part Numbers: 9466 - gear box front chain adjuster plate 9467 - gear box front chain adjuster plate pin x 2 - gear box front chain adjuster plate pin spring washers 9468 - gear box front chain adjuster plate stud x 2 (12342 - adjuster plate pins (bolts) x 2) 9469 - gear box front chain adjuster plate nut A2/314 - gear box front chain adjuster plate assembly