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Another problem RPM has been able to eliminate was slop in the suspension system. In some cases, they found as much as 1/32 of slop in the stock A-arms! That has been remedied with these new RPM versions. RPM's A-arms eliminate nearly all of the A-arm slop, which allows camber, caster and toe angle settings to be more solidly fixed in position. The result: A smoother, more consistent steering and suspension system with a significantly reduced tendency for the truck to randomly wander while driving.