Triumph Pre-Unit Inner Chain Case Cover (1) - 57-477 Alloy Starting your bike and this

Starting your bike and this return spring broke

etc) from 1968-1973

Fits Norton Commando 750 & 850 models (including the MKIII) from up to 1975

Stator and rotor are beautifully machined from billet alloy making this kit "top of the line"

Triumph Pre-Unit Inner Chain Case Cover (1) - 57-477 Alloy Starting your bike and thisNew for late 2025, we are now stocking Triumph pre unit inner chain case covers. Each cover has been casted and machined in England. Very high quality ready to be installed. Fits Triumph pre unit twins that feature a "dynamo". Please make sure our part number matches your parts book and bike application Please note that inner chain case covers are sold each as pictured **Features** Made in England Replaces Triumph part numbers 57 477 & t477