RV tailgating lot pass- LSU game

Friends are flying into LR to meet me and we are going to drive up for the LSU game in our RV.

What is the best way to get a RV pass on campus? I see there are two lots- one for first come first serve, other for passes. however not sure when we will make it there in Friday. Expecting a packed campus on Friday most likely. I would just rather pay and have a spot if possible.

Any other things to do, places to go while on campus?

Half crew LSU alum and half UA. Looking forward to it! My first time to Fayetteville for a game!