Re: Need help on Rear Axle? Don't know what it is.
3/4 and 1 ton are pretty much the same rear, just the 1 ton has bigger breaks. I believe 11" or 13" are the options for breaks...
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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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