Comp, Lunati, Mopar?

Crower did a similar thing,they called Pro 55 billet.Used one on a rat,cam looked really good,when pulled.Was running 150 psi on the seat,close to 400 on the nose.Looked great after 8 to 10,000 miles of Sat night street racing,in town driving.Was a 100 option,ij the early 90s.