Y Block lovers ID Y Block camshaft

[08jmateo]

I need help identifying a Y Block camshaft these are the markings:
At first cam journal TMC and YB1 aso CWC
It is .450 lift

Thanks

 

[JeffB2]

CWC makes the blanks for Comp Cams:http://www.cwctextron.com/contact.html Use this link and call Comp Cams Tech for info,Y-block cams are not listed in the regular catalog but many cam grinders will still do custom grinds for older vintage engines.