Firestone | 3 Inch Whitewall | 525-21
Firestone | 3 Inch Whitewall | 525-21 Firestone | 3 Inch Whitewall | 525-21 Firestone | 3 Inch Whitewall | 525-21
Tire Series Firestone Classic
Brand Firestone
SKU 789690
Product Size 525-21
Tire Construction Bias Ply
Sidewall Style Wide Whitewall
Sidewall Style Width (in) 3.000
Bias Ply Width 5.25
Rim Diameter (in/mm) 21 inch
Overall Diameter (in) 31.50
Section Width (in) 5.12
Tread Width (in) 4.25
Rim Width (in) 2.50 - 3.00
Max Load Capacity 1120@36 psi
Tread Depth (32nds) 12
Construction Ply 6 PLY POLY
Tube Type or Tubeless Tube Type

Firestone 3.00 Inch Whitewall | 525-21



Firestone | 3 Inch Whitewall | 525-21

This Firestone 525-21 bias ply tire is perfect for many late '20s American automobiles. The tire features a 3 inch wide whitewall, which is authentic for the '20s. It is the original size for 1926 through 1928 Buick, and many Dodge, Essex, Franklin, Oldsmobile, Paige and more! Firestone Wide Whitewall tires are exceptional fitments for vintage car restoration projects. These tires are expertly hand-crafted in the USA, using refurbished original molds. They feature authentic tread designs and sidewall markings. Firestone Bias Ply wide whitewall tires are a premium tire choice for fine antique automobiles.

Genuine Wide Whitewall Tire

This product features a genuine wide whitewall sidewall style. This means that the bright white rubber is added directly to the tire sidewall during initial construction of the carcass, resulting in a truly integrated, high-quality product after vulcanization. Wide whitewall tires were a very popular choice from the 1930's through the end of the 1950's, and were eventually phased out of mainstream production by 1962. Originally, wide whitewall tires featured a bias ply construction, but now Coker Tire offers them in original style bias ply and modern radial construction.

Bias Ply Construction

Bias ply tire construction is a method that was used from the 1900's through the 1970's on passenger cars and light trucks. Bias ply tires feature ply cords that run at a 45 degree angle to the bead, and overlap in a crisscross pattern, depending on how many ply layers are used. This creates a strong tire, but bias ply tires have a tendency to follow breaks or ruts in the pavement. Bias ply tires are the most authentic choice for classic car restorations and traditional hot rod builds. Coker Tire offers a huge variety of bias ply tires for many applications. 

Firestone Tires for Collector Vehicles

Coker Tire is proud to offer authentic Firestone tires for a wide range of cars, trucks and motorcycles built from the 1900's through the 1970's. We offer Firestone Non Skid tires, Firestone Deluxe Champion tires, Firestone Wide Oval tires and many more famous styles and sizes to fit military vehicles, motorcycles and classic commercial trucks. With whitewalls, redlines, raised white letters and other classic sidewall styles, this product line is one of our most extensive and popular brands.

Please Note

  • Tire mounted on wheel for demonstration purposes only. Wheel and other accessories are not included. Please note that dimensions listed (tread width, section width and overall diameter) are non-scientific and based on an inflated tire, mounted to a wheel. Dimensions may vary due to rim width and inflation pressure. Please note Chemical Guys Tire and Rubber Cleaner and Adams Polish Tire shine has been linked to Whitewall browning and should not be used. We recommend using our line of tire care products.

Product Questions & Answers

(77) People thought this was helpful
What is the recommended tire pressure? Is it the same for front and back?
By David McManus on October 31, 2019

We recommend 36PSI in these tires all around.

Coker Tire Support on November 01, 2019
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(77) People thought this was helpful
will these tires work on wood spoke rims?
By Chuck Jaeson on June 23, 2018

Yes, as long as they are 21" and the vehicle requires a 525-21 tire as the original equipment.

Coker Tire Support on June 25, 2018
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