rbdart Yes- Thats Partly So , If You Use Stock Style Axles For A-body They Will Be A Direct Fit Only Need To Redrill Bolt Pattern In Drum, If You Use Aftermarket Axles Then You Would Have To Enlarge Center Hole In Drum Or Get Different Drums, As Far As Ofset I Know Of None, I Have Done This On A 69 And A 71 Dart With No Problems, With Aftermarket Axles[yukon[ I 1st Conferred With The Manufacturer As To What I Was Wanting, And What Yr,model ,make And Type Of Rear Axle I Was Using-------thus Being Said, If 'cooltx Is Using Stock A-body Axles When Changing Bolt Patterns, He Shouldnt Have A Problem With The Conversion, May Possibly Have To Enlarge Center Hole In Drum, If He Is Buying New Aftermarket Axles Then He Needs To Confer With The Manufacturer To Accomodate His Needs---i Was Referring To Stock Stuff.....................