Genuine Amal Choke Blanking Plug - Monobloc and Concentric Carburettors - 4/137A
Screws into the mixing chamber top when a choke is not used.
Fits all Amal carbs with a threaded choke cable hole.
Will also fit the Pre-Monobloc Carb as well.
Overall length: 7/16" (10.8mm)
Length UH: 1/4" (6.7mm)