Tubular upper arms-I feel lucky tonight

Alright, I didn't have time earlier...the real difference between Magnum Force's 2 styles (gusseted and not) is not in the design of the control arm...it is in the material used to make the control arm. The two control arms without gussets are chromoly steel. The other two are probably a milder steel and require the gussets, since they don't actually tell you what they are made of. Here's the tech page on all of the control arms. They tell us that they are "Manufactured from D.O.M. Seamless tubing". Only in the individual listing do they mention chromoly steel control arms and only in the two high end arms.
http://www.magnumforce.com/magnumforce_tubular_control_arms.htm

The rod ends that Magnum Force uses are rated at 30,000 pounds each!!!
"4130 Chromoly teflon lined spherical rod ends with a radial load capacity in excess of 30,000 lbs each!"
No worrys about breakage or corrosion...wear should take many many miles! Even when they wear out they don't come apart unless you keep driving forever until it eats itself...LOL you would actually have to be a complete idiot for this to happen because it would be rattling bigtime! LOL