Re: 6.0 with allison help
Since those two weren’t offered together don’t think it will be plug-n-play, but thought the engine side was the same or similar, so getting them to work shouldn’t be terrible.
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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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