these are the only identafiying marks on the cams

 

1 & 2

 

MIght be crower

 

i was thinking they are comp
hks and gsc both stamp there names in the cams

 

pretty smart there fella

 

Comps have a serial number engraved on them near one of the ends.

 

those look like buddy clubs

 

I thought the BC were machined between bearing surfaces not, just rough casting?

Like in this picture:
http://www.inlinefour.com/budclubracsp5.html

PS: I know they are not the Evo cams in that picture.

 

bc's have serial number too. They could be the stockers? Has anyone actually looked at thier stockers before? I would imagine the stockers would also have a serial number too so I am not sure either. you stumped us haha

 

they are def not the stockers are hollow these are not

 

Gsc?

 

Not HKS