Originally Posted by Hobbsy

Yes, those came from Hobby-Lobby along with my MERCOs, they were very smooth running, they had one bugaboo, once in a great while one would have a valve snap off. The valves were stainless steel. I flew the120 on a slab tail H9 Ultra-Stock. The slab needed the nose weight, I could only run the Saito 150 if I used a Harry Higley Ultra Hub.I believe an outfit in England called Premier was the distributor for the Hi MAx's, the Irvine's and the Sport 500 choppers.