The quick and easy way out {on the rotor swap} is to use the new adapter race that allows the use of the old spindles with the newer rotors..

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not quite a race, it's a machined spacer to install the smaller OD 70-2 INNER wheel bearing race into the larger OD race bore of the 73-up 1 pc rotor,....I've machined my own in the past, to perform this swap,...contact Dr Diff on the Moparts board, as he offers them


Mike