Re: Control arm help
Oreilly Auto Parts. $9 a pair for the 9/16" upgrade size, dorman part number 13503.
If you want to run the factory 7/16 size just take an old one to napa and order 4 of the same size.
But, the 7/16 size are prone to breakage and that's why GM upgraded to 9/16. You simply drill out the holes for the larger ubolt, prolly dimple a spot or two on the cross member to make room for the much larger nuts and install the much beefier ubolts and nuts.
I'd post pics but imgur is down right now and all my pics are just big fat x's.
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