Years ago Comp was pretty good stuff but the last few years they have gone to crap. Have had several failures with their roller rockers and roller lifters on different motors Mopar, Ford and Chevy. A few were on the motor dyno before the motors ever saw a car.
Their customer service is worse than Indy Cylinder Head.
Here more about them
https://www.forbbodiesonly.com/mopa...camshaft-ever-seen-one-like-this.203738/