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2nd Gen Ram Tech1994-2001 Rams: This section is for TECHNICAL discussions only, that involve the 1994 through 2001 Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
That’s key in ID’n ‘em... 2500LD is single piston with a larger bore than the 1500.
2500HD is dual piston, and a different mounting bolt pattern.
Dual piston didn't come around on the heavier trucks until around 2000, I think.... My 96 had the 8800 pound GVW, but, still had the single piston calipers. I havent looked at my 98 calipers yet.....