I had a company called Plasmatronics rebuild a set for me, they work great. They take the original housing and install modern electronics in them. I believe they are in NY.
I have Crane Cams Fireball XR700's on my Monty and it works perfect. Made in U.S.A.heavymetalalfa, papajam
thanks you guys a miilion. got some good leads now. i bought 2 from afra in italy, cost an arm and a leg, and both units failed. it is the msd units that i have been told will work, so i will check this out fist. thanks again, a million