New Norton Commando 750 / 850 exhaust pipe split collars. Collars are sold each and are made in England to replace Norton part number 06-3990 & 063990
Collars fit on the ends of your Norton 750 / 850 header pipes.. once installed the collars get pushed into the cylinder head exhaust port. Fits the Norton 750 & 850 models up to 1974 (PRE-MKIII). Check your parts book to ensure the best fitment.
Please note that our Norton exhaust pipe collars are sold each
**Features**
- Made in England
- OEM part number is 06-3990 & 063990
- Free shipping in the USA (lower 48)