Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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Have used UMI roto-joints on quite a few builds, including a pair that were modded into a pair of oem boxed lwr control arms. Autocrossed my first T/A in the mid 80's & learned a lot about spring rates. Just am not a fan of "one fits all" coil springs from any suspension kit company, I'd do more investigating. On my A-body's, that I've spent the most time on perfecting the suspension to hook, they're set up more for straight line, & two of them, by rules can't run tubular control arms, so no input there. On UMI's pieces, I do like the fact they are quality materials & made in the USA. There is a bunch of cheap tubular arm suspension pieces that are just that cheap import junk.