Some other Knuckle parts he has collected.
The cam in the middle is actually going into the Born Free knuckle. It's an Andrews cam with stock profile.
Andrews Stock profile for knuckle head (left).Andrews S (right).
From right to left: Sifton 110 camshaft. Stock Knuckle EL. Stock knuckle EL. Stock knuckle FL. V-twin reproduction Fl knuckle.
Sifton 110 camshaft. Stopped selling about 10 years ago.