aluminum motor inspection cap for Triumph and BSA unit motorcycle

The Factory Metal Works
Aluminum engine inspection cap for triumph and BSA unit motors.

these upgraded machined caps remove the slotted drive slot and become a a 10mm allen head drive.

these are cnced to perfection with a slight domed top and knurled edges and come in a machined raw aluminum finish perfect performance upgrade to that vintage British iron . 

sold individually or in packs of 3 available in our store

proudly made in the USA




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