Goodyear Collector Series
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Goodyear GR70/15 GM Custom Tread Tire – WS

Goodyear GR70/15 GM Custom Tread Tire – WS

PERFORMANCE SERIES

Side Wall:White Stripe

Construction:Polysteel Radial

Original Equipment Years:'75 - '77

Product Code:P3FD6


$555.00

Price per tire

In stock


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Please note: The tire size shown in the product image may differ from the size you’re purchasing, but the sidewall design is identical.

Goodyear GR70/15 GM Custom Tread Tire – W/S 

Bring factory-era GM styling back to your classic with the Goodyear GR70/15 GM Custom Tread Tire – W/S. This tire is built for restorations where the “right” look comes down to the details—correct proportions, a true vintage profile on 15-inch wheels, and the proper sidewall presentation to match original equipment appearance.

GR70/15 is a well-known classic sizing for many GM muscle and performance-era applications. The GM Custom Tread name signals the distinctive tread styling associated with original GM fitments, while the W/S designation identifies a specific white-letter/sidewall treatment used on select applications—ideal when you’re matching the correct factory presentation.

Why the GR70/15 GM Custom Tread W/S is a restoration favorite

When you’re restoring a GM classic, the tire choice can make or break the factory-correct look. GR70/15 helps deliver the right wheelwell fill and stance, and the GM Custom Tread styling keeps the overall presentation aligned with what enthusiasts expect on properly finished mid-’70s era builds.

Key features

  • GM Custom Tread styling: Distinctive tread appearance associated with classic GM applications
  • Sidewall styling: W/S sidewall detail for accurate period presentation on select fitments
  • GR70/15 fitment: Traditional proportions for a strong vintage stance on 15-inch wheels
  • Design: Manufactured using the Goodyear original mold designs, ensuring a period-correct sidewall & tread
  • Made in the USA: Built with trusted American manufacturing for restoration-ready confidence

Perfect for

  • Factory-style GM restorations using classic 15-inch setups
  • Show builds where correct tread and sidewall details matter
  • Weekend cruisers that deserve authentic period styling
  • Collectors matching original appearance details as closely as possible

The finishing touch your build deserves

A factory-correct restoration is all about the details you can see at a glance—and tires are one of the biggest. The Goodyear GR70/15 GM Custom Tread Tire – W/S delivers the stance, tread styling, and period-correct look that completes your build.

Tire size is compatible with these models and others. Important: Make sure you consult your owner’s manual for exact tire fitment specifications.

  • 1975–1977 Pontiac Trans Am 
  • 1975–1977 Pontiac Firebird 
  • 1975–1977 Pontiac Firebird Formula 
  • 1975–1977 Chevrolet Monte Carlo 
  • Mid-’70s Chevrolet Corvette (used on Corvettes in the ’75–’77 window)

Tire Specifications*


Size:GR70/15

Rim Width:7 - 8"

Section Width9.375"

Overall Diameter:27.23"

Rolling Circumference:81.74"

Rev./Mile:741

Tread Width:6.2"

Tire Weight:29 lbs.


Product Code:P3FD6

Side Wall:White Stripe

Construction:Polysteel Radial

Original Equipment Years:'75 - '77


$555.00

Price per tire

In stock

Tire Specifications*


Size:GR70/15

Rim Width:7 - 8"

Section Width9.375"

Overall Diameter:27.23"

Rolling Circumference:81.74"

Rev./Mile:741

Tread Width:6.2"

Tire Weight:29 lbs.

Goodyear GR70/15 GM Custom Tread Tire – W/S 

Bring factory-era GM styling back to your classic with the Goodyear GR70/15 GM Custom Tread Tire – W/S. This tire is built for restorations where the “right” look comes down to the details—correct proportions, a true vintage profile on 15-inch wheels, and the proper sidewall presentation to match original equipment appearance.

GR70/15 is a well-known classic sizing for many GM muscle and performance-era applications. The GM Custom Tread name signals the distinctive tread styling associated with original GM fitments, while the W/S designation identifies a specific white-letter/sidewall treatment used on select applications—ideal when you’re matching the correct factory presentation.

Why the GR70/15 GM Custom Tread W/S is a restoration favorite

When you’re restoring a GM classic, the tire choice can make or break the factory-correct look. GR70/15 helps deliver the right wheelwell fill and stance, and the GM Custom Tread styling keeps the overall presentation aligned with what enthusiasts expect on properly finished mid-’70s era builds.

Key features

  • GM Custom Tread styling: Distinctive tread appearance associated with classic GM applications
  • Sidewall styling: W/S sidewall detail for accurate period presentation on select fitments
  • GR70/15 fitment: Traditional proportions for a strong vintage stance on 15-inch wheels
  • Design: Manufactured using the Goodyear original mold designs, ensuring a period-correct sidewall & tread
  • Made in the USA: Built with trusted American manufacturing for restoration-ready confidence

Perfect for

  • Factory-style GM restorations using classic 15-inch setups
  • Show builds where correct tread and sidewall details matter
  • Weekend cruisers that deserve authentic period styling
  • Collectors matching original appearance details as closely as possible

The finishing touch your build deserves

A factory-correct restoration is all about the details you can see at a glance—and tires are one of the biggest. The Goodyear GR70/15 GM Custom Tread Tire – W/S delivers the stance, tread styling, and period-correct look that completes your build.

Tire size is compatible with these models and others. Important: Make sure you consult your owner’s manual for exact tire fitment specifications.

  • 1975–1977 Pontiac Trans Am 
  • 1975–1977 Pontiac Firebird 
  • 1975–1977 Pontiac Firebird Formula 
  • 1975–1977 Chevrolet Monte Carlo 
  • Mid-’70s Chevrolet Corvette (used on Corvettes in the ’75–’77 window)

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Tire Cleaning & Maintenance
For tire cleaning, we recommend using an SOS pad along with soap and water. This method works for routine cleaning and effectively removes the protective blue layer from white walls and raised white letters on your new tires.

DO NOT use any chemicals to clean your tires; this can cause the tire’s white walls and raised white letters to turn brown. If you use chemicals to clean your tires and your white walls turn brown, you can not make a warranty claim.

710/15 Super Cushion – 4-1/4″ White Wall

* Cuda & Challenger Fitment Chart - 1970

Barracuda and Gran Coupe'cuda Only
Tire Size318383340383440426 Hemi
F70x14" RWLOpt. (1)Opt. (1)Std.Std.
F70x14" WSOpt. (1)Opt. (1)Opt. (2)Opt. (2)
E60x15 RWL(4)Std.Opt. (3)Opt. (3)(5)
F60x15 RWL(4)Std.
(1) H. D. brakes or disc brakes and H. D. suspension required.
(2) No - cost option.
(3) N. A. Trailer - Towing package.
(4) Collapsible spare tire required except on convertible.
(5) N. A. with air conditioning.

Note for the 1st Generation Camaro only – Read Carefully

14” Goodyear Tire Fitments
Goodyear Polyglas tires were first used and going forward in April of 1969. For Goodyear RWL fitments for vehicle build dates beginning in April 1969 through October 1969, use Goodyear Polyglas SKU# CB5KL. November through December of 1969, a running change was in place with Goodyear Polyglas installations. Thus either the CB5KL or CB5KJ may be used. As you can see, this encompasses the first half of the 1970 build year. Prior usage from 1967 through March of 1969 was the Goodyear Speedway Wide Tread series.

15” Goodyear Tire Fitments
The Z28 cars of this generation are well-defined. 1967 735/15 Red Line SKU# CBBMV. 1968 & 1969 Goodyear Speedway Wide Tread GT E70/15 RWL STK# CB3EX. 1970 – see running change note above. F60/15 RWL STK# CB4GF or CB4GG, depending on the vehicle build date. The F60/15 RWL STK# CB4GG was used from January 1970 through the end of first-generation O. E. bias fitments.