42mm is the outside diameter of your carburettor intake.
39mm is the outside diameter of your carburettor intake.
35mm is the outside diameter of your carburettor intake.
48mm is the outside diameter of your carburettor intake.
54mm is the outside diameter of your carburettor intake.
52mm is the outside diameter of your carburettor intake.
29mm is the outside diameter of your carburettor intake.
43mm is the outside diameter of your carburettor intake.
60mm is the outside diameter of your carburettor intake.
17mm is the outside diameter of your carburettor intake.
58mm is the outside diameter of your carburettor intake.