Code 321 - Basic Group - AM Radio, left remote door mirror, day/night rear view, variable speed wipers and electric washers.
Code 322 - Formula-S - 273 -4bbl, tach, performance group, 5.5x14 rims, 6.95x14 tires, bolt on wheel covers
Code 325 - Performance group - 273 -4bbl w/HD Suspension...