Its great to find that AAJ does have a kit for the pre-67 cars, but are the new rotors 4.5" bolt pattern, or do they have our original bolt pattern? Bill Parker, South Central Indiana '62 Plymouth Max Wedge; '64 Dart Convertible (Kathi's car); '65 Imperial; '65 Barracuda \6 (Kathi's other car); '68 Hemi Roadrunner; '68 Barracuda Fastback 383-S; '69 Barracuda Fastback now 360 (20 y.o. son's car); '72 Cuda 340