Same here. My old ATI damper has the Mopar 6 bolt pattern. Wasn't much available for Mopar back then. I made most of my FEAD out of many left over pieces from other Ford and Chevrolet builds laying around and came up with this.

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1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.