Many mods.
https://sacramento.craigslist.org/cto/d/shingle-springs-1954-cj3b/6799833474.html
“1954 Willy’s cj3b crawler. Custom 2×4 frame, wheelbase stretched to 107″. SBC, SM420,DANA300. Full hydro steering, front Dana 44, 538 gears, open diff. Rubicon express reverse wrap springs. Rear axle is a Dana 60, 538 gears, welded diff with full chromo axles. Custom 3 link rear suspension with 16″ air shocks. 4 wheel disk brakes. Clean title and current registration. Currently sitting on 40″ procomp mt2 tires, will sell for less with a different set of wheels and 37″ tires.”