The 1972 Mazda RX-2 came from the early wave of rotary-era Mazda cars that helped establish the brand’s sporty, lightweight character in the U.S. market. Compact, nimble, and distinctly different from many domestic sedans of the period, the RX-2 rewards owners who pay close attention to the details that shape both stance and road feel. For this exact model, tire fitment centers on two 13-inch choices: a 165R13 radial or a 600-13 bias-ply. That opens the door to very different presentations, from blackwall radial touring tires to whitewall bias-ply selections. The right direction depends on whether the goal is road use, traditional appearance, or a more restoration-oriented setup.
Which Tire Size Is Right for The 1972 Mazda RX-2
The 1972 Mazda RX-2 uses two primary tire sizes, and the difference is mainly construction rather than wheel diameter. Both sizes fit a 13-inch rim, but 165R13 is the radial option while 600-13 is the bias-ply choice, so the first step is deciding which type of driving feel and appearance suits the car before comparing individual tires.
165R13 is a Euro-metric radial size in which 165 identifies the nominal section width in millimeters, R indicates radial construction, and 13 is the rim diameter in inches. On the 1972 Mazda RX-2, it represents the radial fitment path for owners who want a period-appropriate metric radial format on a 13-inch wheel. Available choices include Michelin and Dunlop blackwall tires in series such as XAS, XAS-FF, and SP Sport Aquajet. This size is worth considering when the goal is to keep the car on a traditional radial size while staying mindful of wheel width and overall fitment.
600-13 is a numeric bias-ply size where the leading number reflects a nominal section width of about 6.00 inches and the final number identifies a 13-inch rim. On the 1972 Mazda RX-2, this is the bias-ply fitment and gives the car a more traditional vintage tire presentation than a modern radial format. Current choices center on BFGoodrich Silvertown Classic Bias Ply tires with either a 2.00-inch whitewall or a 1.00-inch narrow whitewall. This size makes sense for owners focused on period-style appearance, provided wheel width and overall vehicle setup still match the tire’s intended fitment range.
Sub-model fitment is straightforward for the covered 1972 Mazda RX-2 lineup. The Base model shares the same 13-inch tire fitment choices, so the main decision is not trim level but whether to stay with the radial option or use the bias-ply size for a more traditional look.
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1972 Mazda RX-2 Base
The 1972 Mazda RX-2 Base uses the same two primary fitment paths found on this model overall: 165R13 in radial construction and 600-13 in bias-ply construction. That gives the owner a clear choice between a metric radial presentation and a vintage-style bias-ply setup, with wheel width and appearance becoming the key deciding factors.
Bias-Ply to Radial Tire Conversion for the 1972 Mazda RX-2
For the original 600-13 tire size, three radial-equivalent options are available. 165R13 is the 80-series metric radial equivalent, P165/75R13 is the P-metric 75-series radial equivalent, and P175/70R13 is the P-metric 70-series radial equivalent. These choices differ mainly by sizing convention and profile family rather than serving as the same type of tire. A recommended rim-width range of 4 to 5 inches applies to this equivalent path, so wheel width, overall dimensions, and clearance should all be checked before changing from the bias-ply size.
Modern Radial Equivalents
165R13
Equivalent 80-series Metric Radial (600-13)
P165/75R13
Equivalent P-metric 75-series Radial (600-13)
P175/70R13
Equivalent P-metric 70-series Radial (600-13)
Important Considerations When Replacing Bias Ply With Radial
Compare overall diameter and section width carefully to ensure proper fit.
Verify recommended rim range (4-5 in) and load needs match your vehicle specifications.
Check fender clearance, steering clearance, and stance before installation.
Consider suspension condition and intended road use when choosing equivalents.
Important Fitment Notes
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Best 1972 Mazda RX-2 Tires for Sale
Available 1972 Mazda RX-2 tire choices include Michelin and Dunlop blackwall radials in 165R13, plus BFGoodrich Silvertown Classic Bias Ply tires in 600-13 with narrow whitewall or wide whitewall styling. That gives buyers a clear split between radial road use and vintage bias-ply appearance.
Common 1972 Mazda RX-2 tire questions usually center on the two 13-inch fitment paths, bias-ply versus radial construction, radial equivalents for 600-13, and how sidewall style and wheel setup affect the final choice.
Tire Size & Fitment
What tire size fits a 1972 Mazda RX-2?
The 1972 Mazda RX-2 uses two primary tire sizes: 165R13 in radial construction and 600-13 in bias-ply construction. Both are 13-inch fitments, but they represent different tire formats and different visual and driving-character directions for the car.
Choosing between them starts with the wheel setup and the kind of presentation you want. A car kept closer to a traditional vintage look may point toward 600-13, while a radial-oriented setup may point toward 165R13. It is smart to confirm the actual wheel width and inspect for any suspension, ride-height, or wheel changes before selecting either size.
What size rim does a 1972 Mazda RX-2 use?
The primary tire fitments for the 1972 Mazda RX-2 both use a 13-inch rim diameter. That applies to the 165R13 radial size and the 600-13 bias-ply size, so the wheel diameter remains consistent even though the tire construction changes.
Rim diameter is only the first checkpoint. Wheel width matters too, especially because the available radial and bias-ply choices are intended for different width ranges. Before mounting new tires, verify the wheel diameter stamped on the wheel if possible and compare the actual wheel width to the tire’s intended range rather than assuming every 13-inch wheel is equally suitable.
Does the 1972 Mazda RX-2 Base use the same tire size?
Yes. The 1972 Mazda RX-2 Base uses the same two primary tire fitment paths: 165R13 as the radial size and 600-13 as the bias-ply size. There is no separate size split here that changes the basic tire decision by sub-model.
That means the important choice is construction and appearance, not trim-specific sizing. Owners can focus on whether the car is better suited to a blackwall radial presentation or a whitewall bias-ply look. As with any older vehicle, the final step should be checking the actual wheels on the car, especially if it has been modified or restored over time.
Bias-Ply & Radial Options
Is 600-13 a bias-ply or radial tire for the 1972 Mazda RX-2?
600-13 is the bias-ply tire size used on the 1972 Mazda RX-2. It is a vintage numeric bias-ply format, while 165R13 is the radial size associated with this model’s 13-inch fitment.
That distinction matters because a bias-ply tire changes both the look and the setup path compared with a radial. A 600-13 bias-ply also carries its own wheel-width expectations, so it should not be treated as interchangeable with every radial simply because the rim diameter matches. Owners comparing the two should look at wheel width, intended road use, and the kind of appearance they want from the car.
What radial tire sizes are equivalent to 600-13?
Radial equivalents for 600-13 include 165R13 as an 80-series metric radial, P165/75R13 as a P-metric 75-series radial, and P175/70R13 as a P-metric 70-series radial. There is no bias-look radial equivalent tied to 600-13 here.
Those sizes give different ways to move from a numeric bias-ply format into radial sizing, but they are still alternatives that need to be checked carefully. A recommended rim-width range of 4 to 5 inches is associated with this equivalent path. Wheel width, overall dimensions, and clearance at the fenders and suspension should all be verified before making the change.
What should I check before converting my 1972 Mazda RX-2 from bias-ply to radial tires?
Start by confirming which original size the car is using and which radial equivalent is being considered. For a 600-13 bias-ply setup, the radial-equivalent path includes 165R13, P165/75R13, and P175/70R13, all of which still require a careful fitment review.
Wheel width is one of the first things to verify, since the equivalent path references a 4 to 5 inch rim-width range. It is also wise to compare the wheel diameter, inspect steering and fender clearance, and confirm that suspension height or aftermarket wheel changes have not altered the available space. Conversion should be approached as a setup decision, not an automatic swap.
Choosing the Right Tire
What should I consider when choosing a tire for a 1972 Mazda RX-2?
The first decision is whether the car should stay with a radial-style setup in 165R13 or a bias-ply setup in 600-13. Both use a 13-inch rim, but they lead to different tire formats, different visual character, and different wheel-width considerations.
After choosing the size path, compare the details that actually affect selection: construction type, sidewall treatment, brand, tire series, and wheel compatibility. A blackwall Michelin or Dunlop radial suits a different goal than a BFGoodrich whitewall bias-ply. Matching the tire to the car’s current wheels and the way the car will be used matters more than picking by style alone.
What sidewall styles are available for 1972 Mazda RX-2 tires?
The available sidewall styles for the 1972 Mazda RX-2 include blackwall in the 165R13 radial category, plus narrow whitewall and wide whitewall in the 600-13 bias-ply category. That creates a clear visual split between the radial and bias-ply offerings.
Sidewall style is often the quickest way to shape the car’s overall presentation. Blackwall radials tend to preserve a cleaner European-style look, while whitewall bias-ply tires push the car toward a more traditional vintage appearance. The important thing is to choose the sidewall only after confirming the correct size and construction path, since style alone should not drive the fitment decision.
What brands offer tires for the 1972 Mazda RX-2?
Michelin and Dunlop offer radial tire choices in the 165R13 fitment for the 1972 Mazda RX-2, while BFGoodrich offers the 600-13 bias-ply selections. The available radial series include Michelin XAS, Michelin XAS-FF, and Dunlop SP Sport Aquajet, with BFGoodrich bias-ply tires sold in the Silvertown Classic Bias Ply line.
Brand matters most when it helps narrow the type of tire you want rather than when it becomes a ranking exercise. In this case, the bigger dividing line is radial versus bias-ply, then blackwall versus whitewall styling. Once that is settled, compare each product’s wheel-compatibility details and other specifications that affect how the tire suits the car’s current setup.
Restoration & Appearance
Which tire should I choose for a period-style 1972 Mazda RX-2?
A period-style 1972 Mazda RX-2 can go in two distinct directions. The 600-13 bias-ply size gives the car a more traditional vintage presentation, while 165R13 keeps it in a period-appropriate radial format that suits owners who want a classic metric radial look on a 13-inch wheel.
The better choice depends on what kind of restoration story the car is telling. A whitewall bias-ply changes the visual character more dramatically than a blackwall radial, but exact originality should always be checked against marque-specific references and vehicle history when that level of detail matters. For many owners, period-style balance matters more than chasing one exact visual formula.
How does tire construction affect the appearance of a restored 1972 Mazda RX-2?
Tire construction changes the look of a restored 1972 Mazda RX-2 almost as much as it changes the driving setup. A 600-13 bias-ply gives the car a more vintage visual impression, especially with narrow or wide whitewall styling, while a 165R13 radial keeps the appearance more restrained and road-focused with blackwall sidewalls.
That makes construction choice part of the restoration plan rather than just a technical decision. Owners trying to preserve a traditional early-1970s feel often start by deciding whether the car should lean more toward classic bias-ply character or metric radial presentation. Once that is clear, sidewall style and tire series become easier to evaluate without losing sight of fitment.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1972 Mazda RX-2?
Yes. Modifications can affect tire fitment on a 1972 Mazda RX-2 even when the tire size itself is correct on paper. Aftermarket wheels, different wheel widths, suspension changes, lowering, or bodywork alterations can all change the space available for a 165R13 radial or a 600-13 bias-ply tire.
That is why the actual car should be checked before new tires go on. Look at wheel diameter and width first, then inspect steering clearance, inner-fender space, and the relationship between the tire and suspension components. Older cars often carry changes made over decades, so a quick visual inspection can prevent choosing a tire that suits the model but not the current setup.
What should I inspect before driving a 1972 Mazda RX-2 on new tires?
Before driving a 1972 Mazda RX-2 on new tires, inspect the wheels, valve stems, and general condition of the suspension and steering components. It is also wise to confirm that the tires are mounted in the intended size and construction, whether that means 165R13 radial or 600-13 bias-ply.
A short follow-up check after the first miles is just as important. Watch for unusual rubbing, uneven stance, air loss, or vibration, and verify that the tires clear the fenders and suspension through steering travel. On a collector car that may sit for long periods, regular pressure checks and visual inspections help catch problems before they turn into roadside issues.
How should tires on a collector 1972 Mazda RX-2 be maintained?
Tires on a collector 1972 Mazda RX-2 should be maintained with regular pressure checks, visual inspections, and attention to age-related deterioration. Even a low-mileage car can develop sidewall cracking, flat-spotting from long storage, bulges, cuts, or slow air loss that deserve attention before road use.
Storage conditions matter almost as much as mileage. Keeping the car away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve both radial and bias-ply tires. It also helps to inspect tread wear and sidewalls before each driving season, because older collector vehicles often spend enough time parked that tire condition changes gradually and can be easy to miss.