Diamond Back Classics’ Role In South Carolina’s Tire Scene, From Conway To Your Garage

You call three tire counters around Columbia, ask for a set of wide whitewalls, and get the same shrug over the phone. The shop can mount them, sure, but they don’t stock or source them. Here’s the straight path South Carolina owners actually use: order your whitewalls from Diamond Back Classics in Conway and have your local shop install them. This guide walks you through what Diamond Back really offers, how it compares, and the few South Carolina rules that affect your bill at checkout.

The South Carolina source: Diamond Back in Conway

Diamond Back Classics builds made-to-order whitewall, redline, blueline, goldline, and “smoothie” sidewalls at 4753 SC‑90, Conway, SC 29526. Phone for ordering or questions is (843) 399‑5900, with a toll-free line at (888) 922‑1642. They’re not a general retail tire store; they manufacture and finish specialty sidewalls on brand-new radial casings and ship directly to you or your installer.

If you’re trying to pin down when a set will land at your shop, their standard lead time is about 2 to 3 weeks door-to-door. If you need them sooner, Diamond Back sells an “ASAP” expedite option at $25 per tire that moves your order to the front of their line and ships from their facility in 5 business days or less. That timeline has been consistent this year on their product pages and policy sections.

Warranty is clear and printed. Every Diamond Back tire carries a 4‑year limited workmanship and materials warranty administered by Diamond Back itself. There’s an optional road‑hazard plan for many sizes with no‑charge replacement through year three and a 50 percent charge in year four, plus a specific $30 “mounting damage” coverage for sizes up to and including 17 inches that covers non-repairable bead damage within 90 days of purchase. If you’ve ever tried to interpret a “life of the tread” promise, you’ll appreciate the simple, dated chart they use for pro‑rata coverage.

One quirk that trips up restorers is federal labeling. Diamond Back states that because modern rules require labeling on both sidewalls, their whitewall radials are labeled only on the inside sidewall for appearance. They therefore sell these tires for vehicles built prior to 1976. If you’re building a later car for show use, call before you place the order so you know exactly what you’re buying.

What you actually get when you order: product lines, real sizes, real prices

Diamond Back doesn’t list one generic tire. They pair their sidewall work with specific name-brand casings, and they tell you which. That’s useful because tread feel, load rating, and available sizes change by line. Three examples South Carolina buyers choose frequently:

Those are published base prices pulled from the live product pages for the exact sizes shown. Other sizes in the same lines can price higher or lower; for instance, DB III’s larger 15‑inch options run into the $369–$419 bracket, while several DB I 15‑inch sizes still clock under $300 as of this week. If you add the optional decorative “Beauty Bar” raised ring, tack on $30 per tire.

Everything above is a radial, and Diamond Back’s FAQ is explicit that they only sell radials even when the sidewall and tread styling looks period-correct. For drivers who want highway manners but the visual of a bias‑ply, the Auburn Deluxe Radial routinely solves that problem in 15–18 inch classic sizes.

Cleaning and care are also spelled out. Diamond Back tells buyers to skip bleach entirely and use an ammonia‑based cleaner such as Simple Green with a soft towel. If your car sits near the coast, build that wipe‑down into your weekend wash so the white stays white in salt air.

Where Diamond Back sits in South Carolina’s wider tire economy

It helps to understand why South Carolina owners lean on a Conway specialty maker. The state is packed with tire manufacturing, but most of it serves original equipment and mainstream replacement channels rather than bespoke sidewalls. Michelin North America’s headquarters is at 1 Parkway S, Greenville, SC 29615, and the company runs multiple facilities statewide focused on everything from passenger tires to industrial products. Continental builds passenger and light truck tires in its Sumter plant. Bridgestone operates passenger and light truck production in Graniteville and a separate off‑road tire plant in Aiken County. Giti Tire manufactures in Richburg for several house brands you see on dealer lots and at national retailers.

So if your goal is a 2.25‑inch white stripe for a ’65 full‑size, Michelin, Continental, Bridgestone, and Giti plants are part of the state’s jobs picture, but they won’t sell you that sidewall directly. That’s Diamond Back’s niche and why you see their sets showing up at independent shops from Greenville to Charleston even when the counter person can’t source them through a normal wholesaler login. This is the real footprint: a South Carolina specialty builder shipping made‑to‑order tires inside a state known for big‑volume tire manufacturing.

Buying path that works smoothly in South Carolina

1) Pick your line and confirm price

Use the product pages to choose the casing family that fits your car and budget. If you’re on common classic sizes such as 225/70R15, you can make a true apples‑to‑apples call: DB I lists it at $289 while DB III lists the same size at $349. That’s one of the most useful comparisons for full‑size sedans and wagons built from the late sixties through the mid‑eighties.

2) Plan the clock and the install

Standard delivery timing is roughly 2–3 weeks from order to your hands. If you need them for a show, the expedite option is $25 per tire to ship out in 5 business days or less. On the install side, Diamond Back’s FAQ says no special mounting procedure is required. Most reputable shops can mount and balance them like any other new radial, which means you can schedule the install at your regular place.

3) Budget for fees you actually pay in South Carolina

At retail in South Carolina, there is a $2 fee per tire collected on the sale of new and used tires. State guidance also spells out the major exemptions, including farm tractor tires, airplane tires, off‑highway machinery, and certain small equipment sizes. If you’re turning in your old set, counties accept residential scrap tires for recycling and prohibit landfilling whole tires. Retailers and wholesalers who deliver scrap to permitted facilities often pay a county tipping fee; for example, Anderson County posts $1.70 per passenger or light‑truck tire when the load includes the state ST‑390 documentation. Residents generally follow their county’s posted limits and drop‑off rules, which vary by location.

4) Keep the white white

Use an ammonia‑based cleaner and a towel. Don’t use bleach. If you store the car stacked tires-on-tires during a project, don’t let black sidewalls sit on whitewalls, and don’t leave a heavy item resting on the stripe. Stains from stacking and neglect are specifically excluded from the printed warranty, and they’re preventable with a few rags and five minutes.

Real-world timing, options, and the small decisions that save you

Made‑to‑order is the point here, so you will not see an “in stock, ships today” badge sprinkled across the site like a mass e‑commerce seller. That’s why the ASAP $25‑per‑tire option matters if your calendar is tight. It consistently shaves the wait to an outbound ship within 5 business days, which is the difference between hitting or missing a regional meet.

On sidewall styling, most Diamond Back catalog tires can be ordered as White Wall, Redline, Goldline, Blueline, or a custom width specified at checkout. If you like the slightly more sculpted look of a raised ring, the “Beauty Bar” option costs $30 per tire. For many cars from the late fifties through early sixties, a 2.25–2.5 inch white reads period-correct; for seventies and eighties luxury sedans, a narrower stripe looks right. The catalog’s size charts show the default stripe paired to each size so you aren’t guessing.

Warranty choices are real money decisions. The baseline 4‑year limited coverage addresses workmanship and materials. If your car is a true daily driver, consider the road‑hazard add‑on so one construction staple on I‑26 doesn’t turn into a full re‑buy. The plan’s grid is simple: years 1–3 at no charge, year 4 at 50 percent. Mounting damage coverage at $30 for sizes to 17 inches exists precisely because many classics wear painted or polished wheels and owners want a belt‑and‑suspenders approach while the new tires are going on.

Mounting logistics in the Palmetto State are straightforward. The FAQ says most reputable shops can handle these with normal procedures, and that’s what owners across Greenville, Rock Hill, and Charleston report anecdotally at counters: you bring modern radials with a finished sidewall, they install and balance. If your shop installs clip‑on weights on the outer lip, just ask them to stick with adhesive weights behind the spokes if you want to keep the white stripe pristine.

Reader Q&A

Can I walk in to buy at Diamond Back’s Conway address or is it order-only?

Diamond Back lists a manufacturing and shipping address at 4753 SC‑90, Conway, SC 29526 with order support by phone at (843) 399‑5900 or (888) 922‑1642. They build tires to order and ship rather than run a conventional retail showroom, so plan on ordering first and having the set shipped to you or your installer.

What’s the fastest way to get a set in South Carolina if I have a deadline?

Use their published expedite service. The ASAP option costs $25 per tire and guarantees shipment from Conway in 5 business days or less, versus the typical 2–3 week door‑to‑door timeline. That upgrade has been the difference between missing and making an event for many owners.

Will my local shop know how to mount these whitewalls without damaging the stripe?

Diamond Back’s FAQ says no special mounting procedure is required because these are brand‑new radials. Most reputable shops across the state mount and balance them like any other tire. If you want to protect the white stripe cosmetically, ask for adhesive weights behind the spokes and avoid outer‑lip clip‑ons.

Do South Carolina state fees change my final bill?

Yes. South Carolina collects a $2 per tire state fee on the retail sale of new and used tires, with listed exemptions such as farm tractor and off‑highway machinery tires. If you’re returning scrap tires, counties accept residential drop‑offs, and some charge tipping fees to retailers; as one example, Anderson County posts $1.70 per tire with the ST‑390 documentation.

Key things to know before you order

• Diamond Back Classics builds to order in Conway and publishes a 2–3 week standard timeline, with an ASAP option at $25 per tire that ships in 5 business days or less.
• Their catalog lists real, line‑specific prices by size. A common comparison: 225/70R15 is $289 in DB I and $349 in DB III as listed this week.
• Every tire carries a 4‑year limited warranty, and you can add road‑hazard coverage with a simple grid of benefits through year four.
• South Carolina adds a $2 per tire state fee on retail sales of new and used tires. Counties accept residential scrap tires; retailer deliveries may include separate tipping fees.
• For maintenance, use an ammonia‑based cleaner. Don’t use bleach, and avoid stacking black sidewalls on whitewalls during storage.
• South Carolina’s big tire plants in Greenville (Michelin HQ), Sumter (Continental), Graniteville (Bridgestone), and Richburg (Giti) don’t sell custom sidewalls to the public. That’s exactly the niche Diamond Back fills here.

If you’re torn between lines, pick a size you know you need and compare the two or three Diamond Back options that offer it. That one move keeps the decision clean and lets you schedule the install without surprises.

Published: September 8, 2026