How Tall Is a 325 Tire?
A 325 tire can be approximately 28.7 to 35.4 inches tall, depending on its complete size code. The number 325 specifies nominal width, not height. For example, a 325/30R21 has a calculated diameter of 28.7 inches, while a 325/60R20 measures about 35.4 inches by the standard sizing formula. Key facts A 325 tire is nominally […]
What Tires Are Made in the Usa: DOT Codes and Brands
Tires made in the USA include selected models from Goodyear, Cooper, Michelin, BFGoodrich, Bridgestone, Firestone, Continental, General, Yokohama, Hankook, Toyo, and Pirelli. Manufacturing varies by model, size, and production date, so the tire’s Department of Transportation identification number, or DOT TIN, is the reliable way to verify its factory. Key facts at a glance A […]