The Goodyear Power Cushion 735-15 bias ply tire serves a very specific purpose as the original equipment on 1967 Camaro Z28. The new Chevrolet Camaro typically came with 14-inch wheels, but the Z28 option came with upgraded 15-inch wheels, and many other high performance options. Even though only 602 Z28's were built in 1967, this tire was specially produced by Goodyear to offer correct fitment. This tire is still available for Z28 enthusiasts, but the narrow tread width allows fitment on many 1960's Chevys. The .375-inch red stripe is authentic as is the 2 ply nylon construction.
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 | 124101701402 |
|---|---|
| Weight | 22.000000 |
| Brand | Goodyear |
| Construction Ply | POLY/STEEL |
| Tread Width (IN) | 6.20 |
| Product Size | GR70-15 |
| Tire Series | Custom Wide Tread |
| Rim Diameter | 15 inch |
| Tire Construction | Bias Look Radial |
| DOT Approved | Yes |
| Width Radial | GR70 |
| Sidewall Style | RWL |
| Width Bias Look Radial | G |
| Circumference | 81.74 |
| Section Width (IN) | 9.375 |
| Revolutions per mile | 741 |
| Rim Width (in) | 7.0 - 8.0 |
| Overall Diameter (IN) | 27.23 |
| Availability Date | 2026-02-28T00:00:00Z |
This Goodyear Power GM Custom Tread RWL 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 vehicle applications spanning 1966 through 1982, including select Maserati, Aston Martin, Chevrolet, Pontiac, Buick, GMC, Oldsmobile, Ford, and Mercury models. On this product page, the Goodyear Power GM Custom Tread RWL is offered in the GR70-15 size, with the product name also identifying its raised white letter appearance. For more detailed information on this tire size, explore the GR70-15 tire on Coker Tire Fitment Guide.
Vehicle Fitment for the Goodyear Power GM Custom Tread RWL | GR70-15
The Goodyear Power GM Custom Tread RWL | 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 is centered on Maserati applications associated with the GR70-15 size. These fitments are represented by the Ghibli across five consecutive model years.
Maserati
Maserati applications in this period include the Ghibli.
1971–19756 makes · 26 fitments
The 1971–1975 period includes a broader mix of GR70-15 applications across Aston Martin, Maserati, Chevrolet, Pontiac, Buick, and GMC. This range covers both European and domestic make-model groupings tied to the same tire size.
Aston Martin
Aston Martin applications in this period include the DBS and AM.
Buick
Buick applications in this period include the Century and Regal.
Chevrolet
Chevrolet applications in this period include the Corvette, Monte Carlo, Chevelle, and El Camino.
GMC
GMC fitment in this period is represented by the Sprint.
Maserati
Maserati fitment in this period is represented by the Ghibli.
Pontiac
Pontiac applications in this period include the Firebird, Grand Am, Grand Prix, and LeMans.
1976–19808 makes · 25 fitments
The 1976–1980 period carries the widest spread of GR70-15 applications, covering Aston Martin, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Ford, and Mercury. Applications in this range span coupes, personal luxury cars, and performance-oriented models associated with this tire size.
Aston Martin
Aston Martin fitment in this period is represented by the AM.
Buick
Buick applications in this period include the Century, Regal, LeSabre, and Riviera.
Chevrolet
Chevrolet applications in this period include the Corvette, El Camino, Monte Carlo, and Camaro.
Ford
Ford fitment in this period is represented by the LTD.
GMC
GMC fitment in this period is represented by the Sprint.
Mercury
Mercury fitment in this period is represented by the Marquis.
Oldsmobile
Oldsmobile applications in this period include the Cutlass and Toronado.
Pontiac
Pontiac applications in this period include the Firebird and Grand Prix.
1981–19821 make · 2 fitments
The 1981–1982 period continues GR70-15 applications with Buick. These final listed applications are focused on the Riviera.
Buick
Buick fitment in this period is represented by the Riviera.
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