Norton Twins Camshaft Timing Chain (1) 06-7689 - 500 / 650 / 750 / 850 - (Andover) Triumph OEM part number is 39595

OEM part number is 39595

Measures 1/16 (

This new auto advance spring set has the right tension which will allow your motorcycle to rev smoothly throughout the RPM range and smoothly at idle

We stock high quality English made clutch rods and rods made in the USA by Kibblewhite

Please use the drop down menu to select which gear change plate you desire - sold each as pictured

Norton Twins Camshaft Timing Chain (1) 06-7689 - 500 / 650 / 750 / 850 - (Andover) Triumph OEM part number is 39595A stretched timing chain can not only be dangerous if it where to break but it can also alter the cam timing (advance or retreaded) a few degrees. A change in cam timing will hurt your engines performance. This cam timing chain is made in England by Andover Norton. Replaces Norton part number 06 7689 and 067689. Fits all Norton twins (Dominator, Atlas, Commando, Roadster, etc) up to approx 1975. Please refer to your parts catalog for proper fitment.