factory b pillar is a goofy size and goofy shape. It also has that odd crimp near the floor plate.
You can build off the stock cage to save a little money, but you arent starting with the best, and you have to make compromises to use it.
I chose to scrap it all together and build my own. Still not done but main shape is there.
2.5/ax5/ 231-300 doubler, Dana 60 front( 4ws springless double arm, tierod behind axle, 4ws springless driver side arm, hydro assist) 14bff , detroit, discs, pinion guard) Warn x8000i w/synthetic line, York OBA, Cage, Flat belly, miniboatside, tube fenders, xj rear springs, yj fronts , bilstein 5125s, comp cut, 104WB, H1 Double beadlocks, 37in Goodyear mtrs