DON'T just go sticking cams in, if lift is too high because it is a N/A cam you will have problems.
KCVH35, does indeed sound like a KENT cam so ring them on 01303 248666, and ask them what exactly it is.
The BP235C will be a PIPER by the sounds of it, are you sure the "3" is not an "8" ?
Piper are on 01233 500200.
tabetha