Shtbox

Hey guys I came across somebody I'm do some trading with,I'm trading a beat up truck for his rear out of his 08 silverado.hes running a 2015 silverado 12 bolt rear in his truck and tells me it will fit in my 05 1500.He even said he's ran a 99 to 06 rear in his nnbs before he got this one so has anybody done this and what are your u joint set up because I heard that they are bigger,he had a custom shafts made for his 80e swap so I don't think he can help me out with part numbers and what not also said that the flip kit will still work