If You lived in Western U.S. I would use the Hot Rod shops. For example on My +8 Bitsa I used a Chevy S10 pickup rear axle. A HotRod shop could cut it down to fit Your 4/4. Come to think of it there is a Morgan 4/4 Owner South of Me that uses a Triumph axle and has for years. A MGB axle will work. Even a Toyota Rear axle will do the job. I know one but He uses Willwood Disk Brakes. How ever if You want to do it "RIGHT" have Billy Bellinger at JB Sports Engineering do the job.

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