Yes, the Firestone Dirt Track tires are DOT approved. The tread design works well in both dry and wet road conditions and the tall sidewalls retain the appropriate amount of rigidity to keep the car stable.
Yes, the Firestone Dragster tires are DOT approved. Commonly known as cheater slicks, these Firestone Dragsters have an improved design, compared to slicks from days past. Additional siping on the shoulder helps in wet road conditions, while the compound is perfect for all around driving.
NO, we own the tires molds. Our tires are built in those original molds using modern materials and techniques. However, some of the tires offered at Coker are labeled as NOS items, which means they are tires that were manufactured over 15 years ago but never sold. Coker’s warranty does not apply to NOS tires.
The “tubeless” marking on a tire is not an exclusion, it simply means the tire itself does not require a tube. A tube may still be required if the rim is not completely sealed to prevent ongoing deflation issues.
All tires sold since the late 1960’s to 1999 have a DOT number on the sidewall which ends in a three digit code (two digit week, one digit year) meaning that a tire with a DOT number ending in 253 would have been manufactured the 25th week of a year ending in 3. All tires made since the year 2000 have a four-digit code so that a tire with 4004 would have been made in the 40th week of 2004.
We specialize in equipping vintage vehicles with OE style replacements and we also cater to custom applications. We can fit for everything ranging from a Model T to late model cars, so call any of our reps at 800-251-6336 with the specifics and we’ll be glad to help you out!
Non Directional Cross Country. Used primarily for military vehicles, the NDCC tires have a rounded shoulder, which offers better road and highway manners than the NDT version. These tires were used by the military after World War II.
Non Directional Tread. These tires are used on military vehicles of all shapes and sizes, and date back to the World War II era. NDT tires grip the same in either direction, and the squared-off shoulders offer great bite in various terrains.
In the modern P Metric number this number represents the aspect ratio. This number determines the sidewall height from the rim edge to the tire shoulder. The lower the number the smaller the sidewall area. P215/70R15 = The sidewall area is 70% of the tires cross section. 215 x .70 = 150.5 mm
Flaps and rim strips are both used to protect tubes from being damaged by irregularities in the wheel. Flaps are used in split-rim applications while rim strips are most appropriate for narrow wire wheels, as they are only needed to protect the tube from the spoke nipples.
Most tires available from Coker Tire feature our Life of the Tread warranty against manufacturer’s defects. There isn’t a mileage guarantee as tires and driving conditions vary greatly among our customers, but this warranty means that our tires are guaranteed to be free from defects in workmanship and materials for the life of the tread.
You can take Coker Tire's "Life of the Tread" warranty one step further by utilizing the Extended Tire Protection plan, which covers your tire for the usable tread life or five years, whichever comes first. With the ETP plan, tires are replaced that become unserviceable or damaged from a cut, snag, bruise, impact, whitewall damage or puncture caused from a road hazard.
1967 Corvettes use the 7.75-15, available in our Firestone Super Sport. If you’re looking to upgrade to a set of radial tires, the equivalent size is 215/70R15 or 205/75R15. Each of these sizes are available in our BFG Silvertown line, with the option for black wall, red line, gold line or whitewall.
1968 and 1969 use the F70-15, available in our Firestone Wide Oval. If you want to upgrade to radials, the equivalent size is 215/70R15, which is available in Coker’s line of BFGoodrich Silvertown radials.
Nitrogen reduces the oxygen, water vapor and other gases inside your tire, which allows your tire to maintain the proper air pressure longer. Additional nitrogen has benefits of increased fuel mileage, longer tire life and longer rim life.
Bias ply tires were common for cars built before the mid '70s, and radial tires took over from there. The internal construction is the main difference between the two tires, as the bias ply tire features ply cord (generally made of nylon or polyester) that runs at a 45 degree angle from the tire's bead. These ply cords overlap in a criss-cross pattern, most of the time with four plies total.
The cord inside radial tires is positioned 90 degrees from the bead, which allows the tire to conform to the road much better. Most of the time, radial tires also have a steel belt that runs beneath the tread to help strengthen the tire. In general, radials are preferred for driving comfort, but bias ply tires are much more authentic.
Coker Tire carries a wide selection of bias ply AND radial tires to meet your needs, whether you want period-correct tires or the comfort of a modern radial.