Firestone 557-610 Agricultural Tire Inner Tube TR218A Valve

The Firestone 557-610 is a heavy-duty natural rubber inner tube designed specifically for large agricultural tractor and combine tires. This tube is engineered to fit 320/90R-52/54, 300/95R-50/52/54, and 270/95R-50/52/54 tire sizes, providing reliable air retention for demanding farm operations.

Key Features:

• Natural rubber construction for superior durability and flexibility
• TR218A valve stem with liquid ballast capability
• Compatible with both bias and radial agricultural tires
• Rubber-covered straight valve designed to lock into rim hole with supplied LN10 rim nut
• Made in USA with Firestone's legendary quality standards
• Ideal for rear tractor and flotation applications

The TR218A valve stem is specifically designed for agricultural applications where liquid weighting for ballast may be desired. The valve is non-bendable and requires a 0.625-inch rim hole. This Firestone tube delivers the reliability and performance that farmers and agricultural professionals depend on for their heavy-duty equipment.