Firestone R8000 Utility R-4 400/70R24 158A8 - 009314

The Firestone R8000 Utility R-4 in 400/70R24 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.

What 400/70R24 means

In the size 400/70R24, 400 is the section width in millimeters (15.75 in), 70 is the aspect ratio — the sidewall stands 70% as tall as the tire is wide, or 280.0 mm (11.02 in) — R denotes radial construction, and 24 is the wheel diameter in inches. That works out to an overall diameter of about 46.05 inches, turning roughly 438 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.

Specifications

Frequently asked questions

Will 400/70R24 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 400/70R24, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

How fast does this tire ship?

Every order at ThreePiece.us ships free, with fast delivery from a nationwide warehouse network. Affirm financing is available at checkout.

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