Firestone Tire & Rubber Co. S-7393-1 Get a print! $8.00 Add to Cart Product Information: Model:S-7393-1 Manufacturer:Firestone Tire & Rubber Co. (Air Chief) Description:Code A-400 Schematic Pages Page 1 Page 2 Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!