The Ferrari, I don't know, Oceanic has some high performance servo assisted designs. The Mares proton is a great reg.
The Pinto product line is just about anything made by er--gag--cough--gags---gag---cough---Tusa. N
The Pinto product line is just about anything made by er--gag--cough--gags---gag---cough---Tusa. N