The Goodyear GM Custom Tread Raised White Letter GR70-15 is a radial tire produced specifically for General Motors vehicles from 1975 through 1977. This tire was used on Corvettes, as well as Pontiac Firebird, Formula and Trans Am. The iconic Goodyear Steel Belted Radial RWL sidewall is perfect for the mid '70s, and the radial construction offers a smooth ride.
Please Note
- These Classic Goodyear tires are drop shipped directly. Please allow additional shipping time. These items will be drop shipped when the order is processed. 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.
| SKU | 124101701404 |
|---|---|
| Weight | 29.000000 |
| Brand | Goodyear |
| Whitewall Width (in) | 0.375 |
| Tread Width (IN) | 6.125 |
| Product Size | GR70-15 |
| Tube Type or Tubeless | Tubeless |
| Tire Series | Steelgard |
| Rim Diameter | 15 inch |
| Tire Construction | Bias Look Radial |
| DOT Approved | Yes |
| Width Radial | GR70 |
| Sidewall Style | Pin-White-Stripe |
| Width Bias Look Radial | G |
| Circumference | 87.0 |
| Section Width (IN) | 9.38 |
| Revolutions per mile | 728 |
| Rim Width (in) | 7.50 - 8.0 |
| Overall Diameter (IN) | 27.45 |
| Availability Date | 2026-10-31T00:00:00Z |
This Goodyear SteelGard Pin White comes in the GR70-15 size, suitable for the classic and collector vehicles listed below.
About the GR70-15 Tire Size
GR70-15 is a radial tire size associated with a wide span of vehicle applications from 1966 through 1982, including Maserati, Aston Martin, Chevrolet, Pontiac, Buick, Oldsmobile, Ford, Mercury, and GMC models. On this product page, the Goodyear SteelGard Pin White | GR70-15 connects that size with a radial tire featuring a pin white sidewall appearance for vehicles associated with GR70-15 applications. For more detailed information on this tire size, explore the GR70-15 tire on Coker Tire Fitment Guide.
Vehicle Fitment for the Goodyear SteelGard Pin White | GR70-15
The Goodyear SteelGard Pin White | GR70-15 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 GR70-15 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.
1966–19701 make · 5 fitments
The 1966–1970 period centers on Maserati applications associated with the GR70-15 size. This range is focused entirely on the Ghibli across five model years.
Maserati
Maserati applications in this period include the Ghibli in GR70-15-associated fitments.
1971–19756 makes · 26 fitments
The 1971–1975 period includes a broad mix of GR70-15 applications spanning Aston Martin, Maserati, Chevrolet, Pontiac, Buick, and GMC. This range covers both specialty grand touring cars and a wider set of mid-1970s domestic models.
Aston Martin
Aston Martin applications in this period include the DBS and AM in GR70-15-associated fitments.
Maserati
Maserati applications in this period include the Ghibli in GR70-15-associated fitments.
Chevrolet
Chevrolet applications in this period include the Corvette, Monte Carlo, Chevelle, and El Camino in GR70-15-associated fitments.
Pontiac
Pontiac applications in this period include the Firebird, Grand Am, Grand Prix, and LeMans in GR70-15-associated fitments.
Buick
Buick applications in this period include the Century and Regal in GR70-15-associated fitments.
GMC
GMC fitment in this period is represented by the Sprint in GR70-15-associated applications.
1976–19809 makes · 32 fitments
The 1976–1980 period shows the broadest spread of GR70-15 applications, covering Aston Martin, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Ford, and Mercury. The mix ranges from personal luxury and full-size models to sporty domestic applications and specialty imports.
Aston Martin
Aston Martin applications in this period include the AM in GR70-15-associated fitments.
Buick
Buick applications in this period include the Century, Regal, LeSabre, and Riviera in GR70-15-associated fitments.
Chevrolet
Chevrolet applications in this period include the Corvette, El Camino, Monte Carlo, and Camaro in GR70-15-associated fitments.
GMC
GMC fitment in this period is represented by the Sprint in GR70-15-associated applications.
Oldsmobile
Oldsmobile applications in this period include the Cutlass and Toronado in GR70-15-associated fitments.
Pontiac
Pontiac applications in this period include the Firebird and Grand Prix in GR70-15-associated fitments.
Ford
Ford fitment in this period is represented by the LTD in GR70-15-associated applications.
Mercury
Mercury fitment in this period is represented by the Marquis in GR70-15-associated applications.
Maserati
Maserati applications in this period include the Ghibli in GR70-15-associated fitments.
1981–19851 make · 2 fitments
The 1981–1985 period includes later Buick applications associated with the GR70-15 size. In this range, the Riviera continues the fitment coverage into the early 1980s.
Buick
Buick fitment in this period is represented by the Riviera in GR70-15-associated applications.
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