Dont suffer an airless, stifling ride because missing or simply worn out cowl vent mechanisms cant keep the vent open. Ensure your cowl vent functions as well as (or better than) Henry intended with a new ratchet, spring and roller. Ratchet is heavy gauge steel shaped to match the originals and springs made to Fords original strength and stretch specifications. We bested Ford on the roller, however, and heat treated the small, but important piece to provide years of easy function and welcome air movement.