i am building a 78 cj 5 it has the stock model 20 and d30 axles in it... i wanna upgrade and go to a little wider i wanna be about 60" with a 410 gears.. i dont wanna cut axle and have them shave i was wondering if there is a upgrade that might bolt right in or with little mods as possible..i dont mind moving perch mounts and that just dont wanna get in over my head and aint got a ton of money..