PLEASE NOTE: Delays in processing. Orders placed between Thursday 11 April and Wednesday 1 May will be processed 02 May.
Exhaust gasket ring, copper crush seal, Norton twins (each). Cylinder head exhaust port to exhaust pipe gasket. Norton 500, 600, 650 & 750 twins. For Commando use the steel rings MA-A183 (R-063995). Original Part Number: D12/166, T2166, 063995; 063253 - Exhaust pipe locking washer - Copper (cylinder head)
