I have known nothing but GOOD references about them. In fact I have know they were Mopar Camshafts makers long time ago and now they make they own with its own specs ( not sure about the true of that info really ), modern specs like higher lift with shorter duration. Still simetric like MP ones.

you can ask for a custom split cam though ( for example K56/K58 )

lot of techs at dodgecharger.com gave me engle cams useage like advise