valve seals….again

I’m getting ready to put new seals on my intake valves. The seals that Andover lists appear to be the standard viton seal with no choker springs. Kibblewhite’s website shows 7 different types but again only one for the Norton, style 1.

I can’t seem to find anything in style 4 with the same sizes as listed for the Commando. Its a stock 71 Commando built after they went to bronze guides according to serial number…

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