What is the size/ length of the lower control arm shaft bolts?

What is the size/ length of the lower control arm shaft bolts? Mine fell out! So did my bushing, need to know the size and I'd rather not have to pull out the other one.

BTW, Energy sent me a replacement bushing for free! Amazing customer service.

They fall out because of the urethane bushing, the rubber ones don't spin, they actually distort. Don't know the size off the top of my head.

7/16" x 20 x 1 1/8"

I would go grade 8 on that one. Put some loctite on it too with the poly bushings

Grade 8 is cheap, the four bolts for the lower arms are probably less than $2.... even less if you have a TractorSupply nearby, they sell grade8 hardware by the lbs....
Locktite is a MUST.... I used anti seize when I first installed my poly bushings in '04, had to tighten the bolts (all eight) every time I drove the car... cleaned out the holes with carb cleaner, then used locktite.... no more problems since then :beer: