changing the rear end gear in my 77 dually

a dana 80? CHRIST what that come out of

that was the "pull down a redwood" option gm had from 73-87


j/k

trust me, Its a big arse rear end! The ring gear in that thing prolly weighs 50pounds!!!

if I'm looking at the right one the ring gear is 11.25"

mine must be a 10 bolt dana, at first i thought i had a 14 bolt but i got under it and counted the bolts..lol ...it is a big rear end.....i have a lmc but it s not the same as yours ? it doesnt have a 10 bolt dana 60 ring gear for choice......

mine only shows the 10 bolt with the9 3/4 gear not the dana 80 with the 11.25 gear

thats because LMC doesnt deal with 1ton parts

try summitracing.com they sell the ring gears .....

go to strange engineering for U.S. GEAR thats who supplys summit and jegs and thay make ring and pinion sets for every rear end made

Im gonna get mine from Randys Ring and Pinion