slantsixdan
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2444 648 is '67 225/automatic, without Clean Air Package. If that's not a description of your car, then you probably have a "remanufactured" distributor. Mismatch of year/engine/transmission/emissions package will mean advance curves different than originally intended, but that is generally less of an issue than the violence committed against poor, defenceless distributors (carburetors, starters, alternators, brake cylinders…) in the "remanufacturing" process.
All that said, there is (still) only one shank size for Slant-6 distributors, so yes, a distributor housing stamped 2444 468 has the correct shank size.
All that said, there is (still) only one shank size for Slant-6 distributors, so yes, a distributor housing stamped 2444 468 has the correct shank size.