Help wth autozone shackles, please asap!!!!

[OGWhiteRob216]

i just got back from the store wasnt sure if i was going to buy the right part so i didnt... do i have to buy 2 extra grade 8 bolts??? and how am i supose to know whats the right part to get... is it the "ONLY" universal shackle they have??? please help asap

 

[Dannyboy]

this is a warrior shackle

this is a autozone shackle

I would guess the 2 bolts per side go where the 2 extra holes are to add cross support similar to the warrior. In my opinion you get what you pay for, but it will probably work on the cheap.

 

[OGWhiteRob216]

thankyou!!!