New genuine Andover Norton Commando airbox backing plate for 750 & 850 twins. PN# 06-4897, also suitable to replace PN# 06-2799 & 06-0815 and is fitted with the breather tube vent pipe which can be utilized or blocked at your discretion.
We also sell this in a kit with front plate, wire gauze surround and rubber carb boots, click here.
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For Norton carbs & associated spares, click here.