Goodyear and comparable bias-belted tires began appearing as standard or optional equipment on most 1969-model passenger cars and nearly all 1970 to 1974 models.
In the 1969 model year, Goodyear bias-belted tires began appearing as a standard or optional feature on most passenger cars. This trend continued through the 1970s, with nearly all models from 1970 to 1974 featuring these tires.