These are a 4 thackeray double coil washers to mount one DCOE carburettor to the inlet manifold. They can be used in conjunction with the bonded Misab plate or a plate & 2 O rings. The washer is tightened until it reaches a gap between the coils of 25 to 40 thou.
This product would be ideal for commercial or industrial settings that require thoroughly cleaning carburetor and throttle body cleaners.
