Parts

Cragar Super Sport Wheels: 61C Series S/S Chrome Wheels

Everything you need to know about Cragar 61C Series S/S Super Sport Chrome Wheels, sizing, bolt patterns, and backspace.

Todd Bandel

22 Mar 2026 • 14 min read

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Few wheels carry the kind of cultural weight that Cragar S/S Super Sport wheels do. Born in the golden era of American muscle cars, the Cragar S/S became a symbol of raw performance and street credibility that transcended generations. Drive past a show-quality 1969 Camaro or a slammed 1970 Chevelle, and there's a good chance you'll spot a set of those unmistakable five-spoke chrome wheels glinting in the sunlight. That's the power of the Cragar brand.

The 61C Series S/S Super Sport Chrome Wheels carry that legacy forward. They combine the classic styling that muscle car enthusiasts fell in love with decades ago with modern composite construction. The result is a wheel that looks period-correct on a vintage restoration but is built to handle the realities of today's roads.

This guide covers everything you need to know about the Cragar 61C Series, from materials and sizing to bolt patterns, backspace options, Corvette-specific installation notes, and how to keep that chrome finish looking showroom-fresh for years to come.

What Makes the Cragar 61C Series S/S Different

The Cragar S/S Super Sport wheel has been around long enough to earn an almost mythological status in the muscle car world. The 61C Series is the direct-drill version of that original S/S design, and it delivers a significant practical advantage: straightforward bolt fitment across a wide range of vehicle applications without needing to drill or modify the wheel.

Each wheel in the 61C Series features a classic five-spoke pattern finished in a deep, mirror chrome that catches light from every angle. This isn't a polished aluminum wheel that requires regular buffing; the chrome-plated steel rims are mated to aluminum alloy centers, creating a 2-piece composite construction that balances strength with a refined appearance. No polishing needed. That means less time in the garage maintaining your ride and more time cruising.

The composite steel/aluminum construction is a deliberate design choice. The chrome-plated steel rim provides durability and structural integrity around the bead seat, while the aluminum alloy center keeps overall wheel weight in check. Together, they deliver a wheel that looks stunning and performs reliably under load.

History and Evolution of Cragar Wheels

The story of Cragar wheels begins in the 1960s, a golden era for American muscle cars and the birth of the iconic Cragar S/S wheel. Instantly recognizable by its bold five-spoke design and gleaming chrome finish, the Cragar S/S quickly set the standard for what a muscle car wheel should look like. It wasn’t just about style—it was about making a statement every time you hit the road or pulled up at a car show.

As the years rolled on, Cragar continued to innovate, expanding its lineup to meet the changing needs of car enthusiasts. The brand’s commitment to quality and performance led to the development of the 61C Series S/S Super Sport Chrome Wheels, which blend classic styling with modern engineering. By combining chrome-plated steel rims with lightweight aluminum alloy centers, Cragar created a wheel that delivers both durability and a brilliant finish—without the constant need for polishing. That means more time spent enjoying your ride and less time in the garage.

Cragar’s attention to detail goes beyond just looks. The brand offers a wide selection of options to ensure the perfect fit for nearly any muscle car. Whether you need a specific bolt circle, the right set of lug nuts, or a particular backspace measurement, Cragar has you covered. This flexibility has made Cragar wheels a favorite among builders and restorers who want their cars to look period-correct while benefiting from modern reliability.

Over time, Cragar has become synonymous with the muscle car lifestyle. The brand’s wheels are more than just a way to get your car rolling—they’re a badge of honor, a symbol of American automotive heritage, and a key part of the cruising experience. Today, Cragar continues to lead the industry, offering a broad selection of chrome, steel, and composite wheels and accessories for every generation of muscle car enthusiast. Whether you’re after a standard set for a classic restoration or a custom set with unique options, Cragar remains the go-to brand for those who demand style, strength, and timeless appeal.

Sizing Options: 15x6, 15x7, 15x8 ,15x10, 15x12 and 15x14

One of the strengths of the 61C Series is its broad selection of sizes. Cragar offers the 61C in three widths across the 15-inch diameter, giving builders the flexibility to choose the right fitment for their stance and tire combination.

15x6, The Narrow Front Runner

The 15x6 configuration (part number CRR-61C563432 for the 5 x 4.75 in. bolt circle) uses a 3.25 in. backspace with a -6.00mm offset. This is typically the go-to choice for the front axle on a muscle car build, where a narrower wheel width keeps the tire tucked properly under the fender and provides adequate clearance for suspension components and brake calipers.

15x7, The All-Around Performer

The 15x7 (part number CRR-61C573440 for the 5 x 4.75 in. bolt circle) uses a 4.00 in. backspace with a 0.00mm offset. This is the most versatile size in the lineup. It works well on both front and rear axles, makes an excellent set of matching four corners, and suits a wide range of tire profiles. Rated at 4.75 out of 5 stars across 56 reviews, this is the most popular size in the 61C lineup, and for good reason.

15x8, The Wide Rear Stance

The 15x8 options are where things get interesting. Several configurations are available depending on your bolt circle and desired backspace:

CRR-61C583442, 5 x 4.75 in. bolt circle, 4.25 in. backspace, -6.00mm offset
CRR-61C581242, 5 x 4.50 in. bolt circle, 4.25 in. backspace, -6.00mm offset
CRR-61C583447, 5 x 4.75 in. bolt circle, 4.75 in. backspace, +6.00mm offset

The wider 15x8 is the standard choice for the rear axle on a muscle car build. It accommodates larger tire footprints and gives the rear end that wide, planted stance that looks so good on American V8-powered machines.

Cragar 61C Series S/S Super Sport Chrome Wheels 15x6

Part Number: CRR-61C563432 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in x 6.0 in., 5 x 4.75 in. Bolt Circle, 3.25 in. Backspace, Each

Summit Racng Equipment

Cragar 61C Series S/S Super Sport Chrome Wheels 15x6

Part Number: CRR-61C561232 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 6 in., 5 x 4.50 in. Bolt Circle, 3.25 in. Backspace

Summit Racing Equipment

Understanding Bolt Patterns: 5 x 4.5 in. vs. 5 x 4.75 in.

Getting the bolt circle right is non-negotiable. Installing a wheel with the wrong bolt pattern is impossible or dangerous if forced. The 61C Series is available in both of the most common five-lug configurations used on classic American muscle cars.

5 x 4.75 in. (5 x 120.65mm) is the standard bolt circle used on most classic GM vehicles, including Chevelles, Camaros, El Caminos, and Corvettes from the era. If your car left the factory with a GM A-body or F-body platform, this is almost certainly your pattern.

5 x 4.50 in. (5 x 114.3mm) is associated with Ford, Chrysler, and some AMC applications. If you're building a Mustang, a Mopar muscle car, or certain other American performance vehicles, this is the bolt circle to look for.

Always verify your vehicle's bolt circle before ordering. Measure center-to-center across opposing studs, or use a dedicated bolt pattern gauge, to confirm your specification.

Cragar 61C Series S/S Super Sport Chrome Wheels 15x7

Part Number: CRR-61C573440 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 7 in., 5 x 4.75 in. Bolt Circle, 4.000 in. Backspace

Summit Racing Equipment

Cragar 61C Series S/S Super Sport Chrome Wheels 15x7

Part Number: CRR-61C571240 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 7 in., 5 x 4.50 in. Bolt Circle, 4.000 in. Backspace, Each

Summit Racing Equipment

Backspace and Offset: Why It Matters for Your Build

Backspace is the distance from the back face of the wheel to the mounting surface. Offset is the distance from the wheel's centerline to its mounting surface, expressed in millimeters. These two measurements determine how far inboard or outboard the wheel sits relative to the fender.

Get backspace wrong, and you'll run into one of two problems: the tire rubs on the inner fender or suspension components (too much backspace), or the wheel sticks out past the fender lip (not enough backspace).

The 61C Series covers a range of backspace options:

3.25 in. Available on the 15x6 (CRR-61C563432), this shallow backspace suits narrower front-axle applications and keeps the wheel face sitting nicely outboard for a classic look.
4.00 in. Found on the 15x7 (CRR-61C573440), this is the neutral/zero offset configuration, providing excellent versatility across most standard applications.
4.25 in. Both 15x8 options (CRR-61C583442 and CRR-61C581242) use this backspace, pushing the wider tire slightly inboard for better fender clearance.
4.75 in. The 15x8 CRR-61C583447 uses this deeper backspace with a positive +6.00mm offset, tucking the wheel further under the car for a cleaner, flush fitment on specific applications.

When in doubt, consult Cragar's technical team directly, providing your vehicle's year, make, model, and any existing suspension or brake modifications before making your final selection.

Cragar 61C Series S/S Super Sport Chrome Wheels 15x8

Part Number: CRR-61C583442 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 8 in., 5 x 4.75 in. Bolt Circle, 4.250 in. Backspace

Summit Racing Equipment

Cragar 61C Series S/S Super Sport Chrome Wheels 15x8

Part Number: CRR-61C581242 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in x 8.0 in., 5 x 4.50 in. Bolt Circle, 4.25 in. Backspace, Each

Summit Racing Equipment

Installing 61C Wheels on 1968–1982 Corvettes

Corvette owners, take note. The 61C Series is compatible with the C3 Corvette platform, but there is a specific installation requirement you need to be aware of before purchasing.

Fitting 61C wheels on a 1968–1982 Corvette requires 1/2 in. wheel spacers and, in most cases, longer wheel studs. This applies to the 15x6 (CRR-61C563432), the 15x7 (CRR-61C573440), and certain 15x8 configurations (CRR-61C583442). The 15x8 CRR-61C583447, with its deeper 4.75 in. backspace, may require spacers depending on the specific application.

The reason comes down to the C3's hub geometry. Without the spacers, the wheel does not sit flush against the hub face, creating an unsafe installation. With the proper 1/2 in. spacers and extended wheel studs, the setup is solid, and the Cragar 61C delivers the authentic muscle car look that complements the C3 body perfectly.

If you're fitting these wheels to a 1977 Corvette and running 225/70R15 tires, the 15x7 CRR-61C573440 is an appropriate choice. The 225mm tire width sits well within the recommended range for this wheel.

Cragar 61C Series S/S Super Sport Chrome Wheels 15x10

Part Number: CRR-61C513442 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 10 in., 5 x 4.75 in. Bolt Circle, 4.25 in. Backspace, Each

Summit Racing Equipment

Cragar 61C Series S/S Super Sport Chrome Wheels 15x10

Part Number: CRR-61C511255 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in x 10.0 in., 5 x 4.50 in. Bolt Circle, 5.50 in. Backspace, Each

Summit Racing Equipment

Load Rating and Safety Specifications

Each wheel in the 61C Series carries a 1,580 lbs. load rating. This figure represents the maximum static load the wheel is designed to support. For a standard muscle car or street rod application, this is a practical and appropriate rating.

A few additional specifications worth noting across the 61C lineup:

Lug nut seat style: Conical seat, 60-degree. This is the standard taper seat used across most domestic performance applications.
Lug nuts: Not included. Order separately. Cragar offers its own lug nut sets compatible with the 61C Series (including part numbers CRR-27802-4 and CRR-27802B-4 for common applications). For vehicles with shorter factory wheel studs, consider a shank-style lug nut (such as Gorilla part number GOR-68177) that provides additional thread engagement past the conical seat.
Valve stems: Not included. These are sold separately through Summit Racing and other suppliers.
Center cap: Included with each wheel. Replacement center caps are available as part CRR-09090.
TPMS compatibility: All 61C Series wheels are TPMS sensor compatible.
Wheel construction: 2-piece design across the entire lineup.
Center bore diameter: 3.57 in. (90.68mm) on most configurations, with the CRR-61C583447 measuring 3.60 in. (91.44mm).

Keeping the Chrome Looking Its Best

Chrome is one of the most visually striking finishes you can put on a muscle car. It's also one that requires consistent care to maintain. The 61C Series features a full chrome treatment, face, barrel, and lip, so protecting that finish is worth the effort.

Regular washing is essential. Road grime, brake dust, and salt all attack chrome over time. Wash your wheels every one to two weeks during regular driving, and after any exposure to road salt or rain. Use a pH-neutral car wash soap and a soft microfiber cloth or dedicated wheel brush to avoid scratching the surface.

Dry thoroughly after washing. Water spots left to dry on chrome can etch into the finish, especially if your water has high mineral content. Use a clean microfiber towel to dry each wheel completely after washing.

Apply a chrome-specific polish periodically. Products like Chemical Guys Heavy Metal Polish (available through Summit Racing) restore brilliance to dulled chrome and provide a light protective layer. Apply with a soft applicator pad, work in small sections, and buff off with a clean cloth.

Avoid abrasive cleaners and harsh chemicals. Wheel cleaners containing strong acids or alkalis can strip the chrome plating. Always check the label before applying any chemical to the wheel surface.

Inspect for chips or bare spots. If the chrome is chipped or worn through to bare metal, those areas will begin to rust quickly. Address any damage promptly with a chrome touch-up product or consult a professional plating service for more significant repairs.

Cragar 61C Series S/S Super Sport Chrome Wheels 15x12

Part Number: CRR-61C523445 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in x 12.0 in., 5 x 4.75 in. Bolt Circle, 4.50 in. Backspace, Each

Summit Racing Equipment

Cragar 61C Series S/S Super Sport Chrome Wheels 15x14

Part Number: CRR-61C541245 Wheel, 61C S/S Super Sport, Steel/Aluminum, Chrome, 15 in. x 14 in., 5 x 4.50 in. Bolt Circle, 4.50 in. Backspacing, Each

Summit Racing Equipment

Why the Cragar 61C Chrome-plated Steel Rims Remain the Gold Standard

Other brands have come and gone. Wheel trends have shifted, cycled back, and shifted again. Through all of it, the Cragar S/S Super Sport has held its position as the definitive American muscle car wheel. The 61C Series earns that reputation by delivering the original S/S design, that iconic five-spoke pattern, and the deep mirror chrome finish, with direct-drill convenience and composite construction that requires no polishing.

The combination of chrome-plated steel rims and aluminum alloy centers gives the 61C a visual depth and structural integrity that single-material wheels simply don't match. The broad selection of sizes, bolt circles, and backspace options means there's a fitment for virtually any classic restoration or custom street rod build. And the 1,580 lbs. load rating confirms that these are wheels built to be driven, not just displayed.

For a classic restoration where authenticity matters, the 61C delivers period-correct style backed by decades of Cragar's reputation. For a custom street rod where the builder wants a statement wheel that conveys American muscle heritage, the 61C delivers. Few wheels bridge those two worlds as naturally.

The Cragar brand built its reputation one muscle car at a time, and the 61C Series S/S Super Sport Chrome Wheels continue that tradition. Pick your size, confirm your bolt circle and backspace, order your lug nuts separately, and get back to cruising.

Thank you for reading!

Your friend,

Todd

#CragarWheels 🛞 #SuperSportStyle ✨ #ClassicRides 🚗 #MuscleCarVibes 💪 #WheelGameStrong 🔥 #RetroCool 😎 #DriveWithStyle 🏁 #CarEnthusiastLife 🚘 #TimelessDesign ⏳ #CragarNation 🌟