Looks like I've identified the headers on the K3.
American Motorsport Mfg. from around the same era ~ 1973, they are apparently quite rare.
The guy in the ad, Dave Aldana is a legend of bike racing... more
I woke up to a loud buzzing sound and saw a cloud of Mosquitos gathered on the mesh of my swag and eying me like the delicious meal I would surely be. I was just in my undies and had to make a mad das... more