I have just finished making some replica tappet cover screws as fitted to the early Norton 16H and Big 4 models.
Please send me a PM if you're interested in one of these!
Cheers,
Jan (rewdco)
“And now it's your turn to get up off that couch and go into the deserts, go into the mountains, go under the lakes, rivers, and seas and search for history. You'll never find a more rewarding adventure!” (Clive Cussler)