PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
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)
