Whoops, looks like
@Daves69 treed me…
You can go to Hamtramck-Historical and see the dealership data books, ordering info, accessory catalogs etc for a lot of the years is manufacture and look up the options.
The 1970 Hamtramck Registry - 1970 Plymouth Dealership Data Book - Station Wagons
Rallye wheels were standard on a 340 Duster with E70 tires, but on a base model were an extra cost option
View attachment 1716085971
View attachment 1716085972