Newbie
I asked the same question repeatedly, and got most of the same good advice you have recieved. I know this is an old thread, but for narrow frames, there is a set of Patriots that are full length, 1 5/8 diameter, and appear to be close to equal length, but I have not measured. I installed them in my '37 with MII and SBC. I've not run them yet, but they seem to fit very well. I'll need to tweek the steering around them, but they'll clear. No doubt.
I wanted to close this thread with the answer I found for my issue, and one that might work for you, Newbie, as well.
Pat
