820-15 US Royal Bias Ply Wide Whitewall Tire
These 8.20-15 wide whitewall tires are excellent fitments for Cadillacs. Classic Cadillac parts can be very difficult to find in good condition or to find at all. Coker Tire Company offers restorers a huge selection of authentic bias ply whitewall tires, perfect for restored automobiles. These 8.20-15 U.S. Royal tires feature a beautiful scalloped upper sidewall, authentic tread design and genuine whitewall construction. Classic whitewall tires can complete your restoration project perfectly. The authentic period-correct looks of an original bias ply tire is the kind of restoration detail that wins awards. Made in the USA in the original molds and backed by our life of the tread warranty, U.S. Royal tires were original equipment on many autos from WWII until the 1960s. Please note that dimensions listed tread width, section width and overall diameter are non-scientific and based on an inflated tire, mounted on a wheel. Dimensions may vary due to rim width and inflation pressure. Tread patterns and sidewall styles vary, please click on individual tires below to view photos.
Genuine Wide Whitewall Tire
Typically wide whitewalls run all the way to the bead. Narrow whitewalls will stop somewhere before the bead, resulting in a narrower band of exposed white rubber. 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. This style was popular into the early sixties, eventually being replaced by narrow whitewalls altogether.
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.
US Royal Vintage Tires
Explore our extensive range of premium redline and white wall tires, including the iconic US Royal Tires. Whether you're restoring a classic or upgrading your survivor, our US Royal Tire selection has something for every enthusiast. At Coker Tire Company, we take pride in offering a diverse range of original fitment tire options, including US Royal brand classic tires and the highly sought-after OE Tire sizes. US Royal offers popular sizes for automotive enthusiasts, featuring period-correct authenticity restorers want. Whether you're searching for a 5.60-15 or any other US Royal Tire size, Coker Tire Company has you covered. Transform your driving experience with the unmatched quality and style of authentic US Royal Tire Collection at Coker Tire Company.
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.
| SKU | 619905 |
|---|---|
| Weight | 29.000000 |
| GTIN | 00842199101584 |
| Availability Date | 2025-12-04T00:00:00Z |
| Sidewall Style | Wide Whitewall |
| Whitewall Width (in) | 2.250 |
| Tire Construction | Bias Ply |
| Construction Ply | 4 PLY POLY |
| Tire Series | US Royal Classic Bias Ply |
| Rim Diameter | 15 inch |
| Tube Type or Tubeless | Tubeless |
| Product Size | 820-15 |
| Tread Depth (32nds) | 12 |
| Tread Width (IN) | 5.40 |
| Width Bias Ply | 8.20 |
| Brand | US Royal |
| Max Load Capacity (LBS) | 1920@32 psi |
| Section Width (IN) | 8.50 |
| Rim Width (in) | 6.00 - 6.50 |
| Overall Diameter (IN) | 29.59 |
This US Royal 2.25 Inch Whitewall comes in the 820-15 size, suitable for the classic and collector vehicles listed below.
About the 820-15 Tire Size
The 820-15 is a vintage tire size associated with a wide range of full-size luxury and premium vehicle applications from 1948 through 1969. This US Royal 2.25 Inch Whitewall comes in that 820-15 size and combines a bias ply construction with a 2.25 inch whitewall appearance that suits many period-correct applications tied to this fitment range. For more detailed information on this tire size, explore the 820-15 tire on Coker Tire Fitment Guide.
820-15 Tire Size Alternatives
| Alternative Type | Tire Size | More Information | Products |
|---|---|---|---|
| Modern Radial Equivalent | 235R15 | 235R15 Tire Fitment Guide | 235R15 Products for Sale |
| Modern Radial Equivalent | P235/75R15 | P235/75R15 Tire Fitment Guide | P235/75R15 Products for Sale |
| Modern Radial Equivalent | P255/70R15 | P255/70R15 Tire Fitment Guide | P255/70R15 Products for Sale |
| Modern Radial Equivalent | 820R15 | 820R15 Tire Fitment Guide | 820R15 Products for Sale |
Vehicle Fitment for the US Royal 2.25 Inch Whitewall | 820-15
The US Royal 2.25 Inch Whitewall | 820-15 is available in a tire size associated with a range of classic and collector vehicles. The vehicle applications below are organized by year, make, and model to help identify vehicles associated with the 820-15 size. Explore the linked Make & Model and Year Make & Model pages for more detailed fitment information.
Fitment information should be verified for the specific vehicle before purchase. Confirm tire size, wheel fit, load requirements, overall diameter, and available clearance.
1948–19509 makes · 27 fitments
The 1948–1950 period includes broad 820-15 applications across Buick, Cadillac, Chrysler, De Soto, Dodge, Lincoln, Oldsmobile, Packard, and other luxury-oriented full-size vehicles. This range covers early postwar applications tied to the 820-15 size.
Buick
Buick applications in this period include the 70 Roadmaster and 79 Series.
Cadillac
Cadillac applications in this period include the 60 Series, 61 Series, 62 Series, and 75 Series.
Chrysler
Chrysler applications in this period include the New Yorker & Saratoga C39, Royal & Windsor C38, New Yorker & Saratoga C46, and New Yorker & Saratoga C49.
Oldsmobile
Oldsmobile applications in this period include the Deluxe 98 and 98 Series.
Dodge
Dodge applications in this period include the 7 Passenger, Deluxe 6, and D 34.
Lincoln
Lincoln applications in this period include the EH and EL.
Packard
Packard applications in this period include the Convertible & Custom, Super, Custom, and Super 8.
De Soto
De Soto fitment in this period is represented by the S 14.
1951–195510 makes · 41 fitments
The 1951–1955 period covers a wide mix of 820-15 applications across Cadillac, Chrysler, De Soto, Imperial, Lincoln, Packard, Volvo, Bentley, Rolls Royce, and related makes. This is one of the broadest year groups associated with the 820-15 size.
Cadillac
Cadillac applications in this period include the 75 Series, 7500 Series, 60 Series, 62 Series, and 60S Series.
Chrysler
Chrysler applications in this period include the Imperial, New Yorker, New Yorker C52 & Imperial C54, Saratoga, Windsor, Custom Imperial, and Chrysler Imperial.
De Soto
De Soto applications in this period include the S 15, S 15-6, S 17-8, and S 18-8.
Lincoln
Lincoln applications in this period include the EH, Convertible, Capri, and Cosmo.
Dodge
Dodge fitment in this period is represented by the D 42.
Imperial
Imperial applications in this period include the C56, C64, and C69.
Packard
Packard applications in this period include the 2626 Series and 5426 Series.
Volvo
Volvo fitment in this period is represented by the PV 831.
Bentley
Bentley fitment in this period is represented by the S-Type.
Rolls Royce
Rolls Royce fitment in this period is represented by the Silver Cloud.
1956–19605 makes · 38 fitments
The 1956–1960 period includes extensive 820-15 applications spanning Bentley, Cadillac, Chrysler, Imperial, Lincoln, and Rolls Royce. These years show the size in use across a broad selection of premium American and European vehicles.
Bentley
Bentley applications in this period include the S-Type, S2, and S3.
Cadillac
Cadillac applications in this period include the 60 Series, 62 Series, 75 Series, 60S Series, Eldorado, and 86 Series.
Chrysler
Chrysler applications in this period include the Crown Imperial and Imperial.
Imperial
Imperial applications in this period include the C70, C73, Crown, Custom, and Le Baron.
Lincoln
Lincoln applications in this period include the Capri and Premiere.
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