Who makes billet cam cores ?
I'm working with Isky for their valvetrain but, they want a solid cam core to grind. (don't know why)
I know most company's like CompCams, do not make them, they just do grinding.
By the way, look at Isky's newer "EZ-ROLL" needle free, lifters.
http://www.iskycams.com/pdf/2-ISKYCa...Page%2029).pdf