Re: HC8 3.21 Gears For Dana 70hd or 14 Bolt?
most likely a diesel application. Very hard to find, another board had a member looking for a set, thinking he was looking for over a year, I think he ended up buying new, don't really remember.
I'd be easier to get a 4500 to swap in....
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2000 GMC CCSB 454/4L80 6” lift SAS
1999 Chevy CCSB 454/NV4500 6” lift
1999 GMC Yukon 350/4L60 4" SAS
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