Ringbrothers KINGPIN Mustang Mach 1 Unveiled

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Estimated Reading Time: 7 minutes


Key Takeaways

  • The Ringbrothers KINGPIN Mustang Mach 1 is a stunning reimagination of the 1969 classic, blending vintage aesthetics with cutting-edge 21st-century engineering.
  • Powered by an 800+ horsepower supercharged Wegner Motorsports 5.0L Coyote V8, it offers performance that dramatically surpasses the original.
  • Over 5,500 hours of meticulous craftsmanship went into its creation, featuring extensive body modifications, a custom unibody chassis, and top-tier suspension and braking systems.
  • Its "sinister" design is accentuated by a custom BASF Bootleg Black paint, Grab-Her Green accents, and numerous one-off carbon fiber components.
  • The interior marries luxury with modern technology, featuring custom digital gauges, advanced climate control, and a unique carbon fiber steering wheel.

Table of Contents


Reimagining an Icon: The Ringbrothers KINGPIN Mustang Mach 1

Can a legendary muscle car from the golden age of American automotive design be elevated to levels of performance and artistry previously unimaginable? The experts at Ringbrothers, the renowned custom car builders and parts manufacturers based in Spring Green, Wisconsin, don't just answer this question – they define it with their latest masterpiece: KINGPIN. Unveiled at SEMA 2025, the KINGPIN isn't merely a project; it's a testament to pushing the boundaries of automotive excellence, taking the iconic 1969 Ford Mustang Mach 1 and launching it into a new stratosphere of custom building. Explore the Ringbrothers KINGPIN Mustang Mach 1. Discover the incredible custom build from their Wisconsin shop. See the details of this unique muscle car creation. This isn't just another restoration; it's a complete reimagining, meticulously crafted over more than 5,500 hours, seamlessly blending the timeless allure of 20th-century design with the pinnacle of 21st-century engineering and technology. Get ready to dive deep into a machine that truly earns its royal moniker.


The Heart of a Beast: Unrivaled Performance

At the core of KINGPIN's breathtaking performance lies a powerplant designed for sheer dominance. Forget the conventional muscle car engines of yesteryear; this beast is driven by a state-of-the-art Wegner Motorsports 5.0 liter Coyote V8. But Ringbrothers didn't stop there. To unleash its full potential, they bolted on a massive Whipple supercharger, propelling the KINGPIN to an astounding output of over 800 horsepower (hp). Imagine the raw, untamed power roaring to life with a twist of the key, ready to pin you back in your seat.

Managing this immense power is a masterclass in precision engineering. All that horsepower is channelled to the rear wheels via a bespoke Bowler Transmissions Carbon Edition six-speed manual gearbox. This ensures an engaging, driver-centric experience, allowing enthusiasts to truly connect with the machine. To complete the auditory assault and ensure KINGPIN sounds as aggressive as it looks, it features custom-designed Ringbrothers exhaust headers paired with a menacing Flowmaster Super 44 Series stainless steel exhaust system. Every blip of the throttle, every gear change, is accompanied by a symphony of power that announces its presence with authority.


Beyond the Surface: Radical Chassis & Body Transformation

The KINGPIN is far more than just a powerful engine wrapped in a classic shell. The Ringbrothers team undertook extensive metalwork, commencing with a fundamental shift from a Roadster Shop FAST TRACK Stage III chassis to a fully integrated unibody structure. This wasn't merely an upgrade; it was a foundational overhaul for optimal structural rigidity and performance. Safety and stiffness are paramount, further reinforced by a meticulously crafted, one-off custom safety cage.

The original Mach 1 body was transformed with a purposeful stance. It has been widened by 2 inches at the front and a substantial 3.5 inches at the rear, giving it an undeniable presence. The wheelbase was also subtly extended forward by 1.5 inches, enhancing its proportions and handling characteristics. Underneath, a sophisticated suspension setup ensures the KINGPIN sticks to the road with tenacious grip: Fox RS single-adjustable coil-overs work in harmony with a Roadster Shop FAST TRACK independent front and rear suspension system. This combination delivers a ride that is both incredibly compliant for the street and razor-sharp for performance driving. Bringing this powerhouse to a halt are massive Brembo brakes, providing confident and precise stopping power. The entire package rides on ultra-wide, road-hugging Michelin Pilot Sport 4S tires, mounted on stunning HRE Vintage Series 517 rims, a perfect marriage of classic style and modern performance.


A Sinister Aesthetic: Design That Dominates

The visual impact of the KINGPIN is immediate and unforgettable. Its design ethos was to create a truly "sinister" appearance, and the result is nothing short of spectacular. The handcrafted bodywork is cloaked in a custom hue known as BASF Bootleg Black, a paint that exudes depth and mystery. This dark, brooding primary color is contrasted by special trim in Grab-Her Green. Inspired by the classic Ford Grabber Green, Ringbrothers tweaked the tone to achieve a more aggressive, almost predatory gleam that perfectly complements the overall sinister vibe.

Every angle of the KINGPIN reveals bespoke detailing. The rear features a custom carbon fiber diffuser and lowered rear quarter panels that cleverly incorporate unique air vents through a custom carbon fiber tail panel. Throughout the car, one-off carbon fiber components are extensively utilized, underscoring its lightweight, high-performance nature. These exquisite carbon elements include the bonnet, grille surround, lower front valance, and even subtle interior touches, showcasing the meticulous attention to detail that defines a Ringbrothers build.


Interior Opulence: Where Classic Meets Cutting-Edge

Step inside the KINGPIN, and you're greeted by an interior that perfectly bridges the gap between classic luxury and modern innovation. The cabin is fully wrapped and trimmed with exquisite materials, complemented by intricate 3D-printed and machined bright metal hardware. This fusion of traditional craftsmanship with cutting-edge manufacturing techniques creates an environment that is both visually stunning and tactilely rich.

Modern conveniences are seamlessly integrated without detracting from the vintage muscle car feel. Features include a state-of-the-art Vintage Air Gen IV Magnum climate control system, ensuring comfort in any condition. The driver is presented with crisp, customizable Dakota Digital gauges, offering precise information in a contemporary display. Perhaps the most striking interior detail is the custom-made Ringbrothers ENYO crushed carbon fiber hoop steering wheel, a truly unique piece of automotive art that serves as the focal point of the driver's command center. This interior isn't just functional; it's a sanctuary of bespoke luxury and advanced technology.


The Ringbrothers Legacy: Crafting Automotive Dreams

The KINGPIN is more than just a car; it's a vibrant extension of the Ringbrothers' legacy. From their Wisconsin shop, Mike and Jim Ring have built a reputation for transforming iconic American muscle into peerless works of art and engineering. Their unique approach combines a deep respect for a vehicle's heritage with an uncompromising drive for innovation. This commitment to excellence, meticulous attention to detail, and a relentless pursuit of pushing performance and aesthetic boundaries are what elevate their creations beyond mere custom cars to automotive legends. Every curve, every panel, every meticulously engineered component on the KINGPIN screams Ringbrothers—a testament to their unwavering dedication to crafting dreams on wheels.


Why KINGPIN Matters: A New Benchmark

In the vast landscape of custom car building, the Ringbrothers KINGPIN Mustang Mach 1 isn't just another entry; it's a definitive benchmark. It demonstrates what's possible when vision, skill, and relentless dedication converge. For enthusiasts, it's a source of inspiration, showcasing how a beloved classic can be reimagined without losing its soul, instead gaining a new, formidable identity. For the industry, it sets a new standard for integration of modern technology into vintage platforms, pushing competitors to innovate further. KINGPIN challenges perceptions, proving that the pinnacle of performance and bespoke design can exist harmoniously with the nostalgic charm of a true American icon. It's a bold statement, a true trailblazer that will undoubtedly influence custom builds for years to come.


The KINGPIN Reigns Supreme

The Ringbrothers KINGPIN Mustang Mach 1 is a triumph of automotive artistry and engineering. It stands as a powerful statement from the Wisconsin-based masters, showcasing how a beloved classic can be transformed into a hyper-performance machine without sacrificing its iconic spirit. From its 800+ hp supercharged Coyote V8 to its meticulously widened body, custom unibody chassis, and luxurious carbon fiber interior, every detail has been refined to perfection. Explore the Ringbrothers KINGPIN Mustang Mach 1. Discover the incredible custom build from their Wisconsin shop. See the details of this unique muscle car creation. This isn't just a car; it's a legacy, a masterpiece, and a KINGPIN in every sense of the word. Are you ready to witness the future of custom muscle? Share your thoughts below, or better yet, plan your visit to SEMA 2025 to experience this marvel firsthand!


Frequently Asked Questions (FAQs)

Q: What makes the Ringbrothers KINGPIN Mustang Mach 1 unique?
A: The KINGPIN is unique due to its extensive transformation that blends a classic 1969 Ford Mustang Mach 1 aesthetic with cutting-edge 21st-century performance and engineering. It features a bespoke chassis, an 800+ hp supercharged engine, custom widened bodywork, and a luxurious, high-tech interior, all meticulously crafted over 5,500 hours by Ringbrothers.

Q: What kind of engine powers the KINGPIN?
A: The KINGPIN is powered by a Wegner Motorsports 5.0 liter Coyote V8 engine, which is equipped with a Whipple supercharger. This potent combination allows the car to produce over 800 horsepower.

Q: How long did it take to build the Ringbrothers KINGPIN?
A: The Ringbrothers team dedicated an astonishing amount of time to this project, accumulating over 5,500 hours of meticulous construction to bring the KINGPIN to life.

Q: Where can I see the KINGPIN?
A: The Ringbrothers KINGPIN Mustang Mach 1 was officially unveiled at SEMA 2025. Future appearances at other prestigious automotive events or in specialized publications are likely, so keep an eye on Ringbrothers' official channels and major car show schedules.

Q: What are Ringbrothers known for?
A: Ringbrothers, based in Spring Green, Wisconsin, are globally renowned custom car builders and parts manufacturers. They are celebrated for their distinctive ability to reimagine classic American muscle cars, combining unparalleled craftsmanship, innovative design, and high-performance engineering to create one-off, award-winning vehicles.

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