The Fuel Filler Neck by TRQ (Manufacturer Part Number: FNA07788) is designed specifically for the 1998 Ford Mustang. It has an item length of 21.26 inches, making it compatible with the fuel tank filler neck of the vehicle. This product also comes with a California Prop 65 Warning, indicating that it may contain chemicals known to cause cancer and birth defects or other reproductive harm. It is important for users to be aware of these potential health risks when handling this product.