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Roush Performance
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A Roush 402 cubic inch engine built for the Shelby Daytona Coupe

Key Information

Roush Performance is an American automotive company primarily involved in the engineering, development, and manufacturing of high-performance components for street and competitive racing applications. The company's namesake is automotive mogul Jack Roush, who owns and operates the firm. Founded in 1995 by Roush, it provides automotive engineering from racing to street cars.

Aftermarket parts

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Roush produces aftermarket performance parts for Ford cars and trucks, mainly the Ford Mustang, Ford Focus, and the Ford F-150 light duty pickup. These special model vehicles are sold to the public through select Ford dealerships. In addition to the high performance business, Roush supplies propane conversions kit for the F-150, as well as for school buses.

Roush is listed as a vehicle "Manufacturer of Record," in that the company modifies Ford F-150, Ford Focus, and Ford Mustangs to the extent that they are considered "Roush" vehicles, and some carry Roush factory warranties (as opposed to Ford warranties).

Roush factory-modified vehicles

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Ford Mustang Roush 427R

Modifications to Ford vehicles completed at their Livonia, Michigan factory include upgrades such as suspension, body, interior, and engine, depending on the model of Roush vehicle and the options ordered. Perhaps best known of these Roush-modified vehicles is the Ford Mustang, which in 2016 is available in the "RS" (3.7 liter V6, with body kit, stripes, wheels, and interior modifications only), "Stage 1" (standard 5.0 liter V8, with body kit, stripes, wheels, and interior modifications only), "Stage 2" (standard 5.0 liter V8, with body kit, stripes, wheels, suspension, and interior modifications only), and "Stage 3" (body kit, stripes, wheels, suspension, interior, and exhaust modifications, with the addition of an Eaton-supplied 2.3 liter TVS-2300 "roots-style" supercharger). The addition of the supercharger to the Ford-supplied 5.0 liter engine on the Stage 3 version results in a horsepower output of 670. All Roush factory cars are 50 state street legal.

All packages are available in both coupe and convertible models, in either manual or automatic transmission (automatics are special order only).

Roush has been modifying factory-born Ford Mustangs since 1995 on a limited-run basis, and made several numbered, limited-edition models:

  • 360R (2002–2002): 4.6L 2-valve V-8, supercharged.
  • 380R (2003-2004): 4.6L 2-valve V-8, supercharged. 62 Units were produced in 2003 rated @ 379 HP
  • 427R (2007–2010): 4.6L 3-valve V-8, supercharged (Black Eaton M90). Rated 415 horsepower (2007 only), and 435 horsepower (2008 - 2010. Smaller diameter pulley and revised tune).
  • 427R Trak Pak (2008): 4.6L 3-valve V-8, supercharged (Black Eaton M90), coil-over track suspension, and other additions. Limited to 100 units. Rated 435 horsepower.
  • 428R (2008): 4.6L 3-valve V-8, supercharged (Chrome Eaton M90). Limited to 200 units. Rated 435 horsepower.
  • 429R (2009): 4.6L 3-valve V-8, supercharged (Chrome Eaton M90). Limited to 100 units. Rated 435 horsepower.
  • Speedster (2008): 4.6L 3-valve V-8, supercharger option (Eaton M90). Automatic transmission only. White convertible with orange graphics only. Limited to 100 units. Rated 435 horsepower.
  • P-51A (2008): 4.6L 3-valve V-8, forged rotating assembly factory installed, supercharged (TVS 2300), single belt FEAD. Limited to 151 units. Rated 510 horsepower.
  • P-51B (2009): 4.6L 3-valve V-8, forged rotating assembly factory installed, supercharged (TVS 2300), dual belt FEAD. Limited to 51 units. Rated 510 horsepower.
  • Blackjack (2007–2009): 4.6L 3-valve V-8, supercharged (Black Chrome Eaton M90). Depending on year, limited to under 200 units. Rated 435 horsepower.
  • Stage 3 (2010-specific): 4.6L 3-valve V-8, forged rotating assembly factory installed, supercharged (TVS 2300), single belt FEAD. Rated 510 horsepower.
  • 5XR (2011): 5.0L 4-valve V-8, supercharged (TVS 2300). Limited to 151 units. Rated 525 horsepower.
  • Shamal 500R (2011):[1] 5.0L 4-valve V-8, supercharged (TVS 2300), larger cooling system. Limited to 15 units (United Arab Emirates market only). Rated 525 horsepower.

All models are serialized with a unique plaque and other documentation (some as "limited edition" vehicles), and are registered with Roush Performance in order to avoid cloning.[2]

The company also provides custom built engines for cars like the Superformance Shelby Daytona Coupe, or Brock Coupe as it is also known.

The company has served occasionally as a part-time sponsor for Roush's Xfinity Series teams.

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Roush Performance

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Roush Performance Products, Inc. is an American automotive company specializing in the design, engineering, and manufacturing of high-performance aftermarket parts and fully assembled, pre-titled vehicles, primarily for such as , F-150, and Bronco, emphasizing enhanced power, precision handling, and aggressive styling for enthusiasts worldwide. Founded in 1995 by motorsports icon , the company evolved from his earlier venture, Roush Performance Engineering, established in 1976 to develop racing components and custom performance solutions. , a renowned and racer, leveraged his expertise in automotive tuning to create standardized products that transitioned from track-proven designs to street-legal applications, marking a pivotal shift toward commercial performance vehicles. Roush Performance's product lineup includes supercharged crate engines like the 427R and 588R, exhaust systems, intake kits, suspension upgrades, and body kits that boost horsepower, improve throttle response, and add distinctive aesthetics without requiring extensive modifications. The company also produces limited-edition turnkey vehicles, such as the 2025 Roush F-150 Nitemare with over 700 horsepower and advanced off-road capabilities, and the Roush Mustang with serialized builds ensuring exclusivity. These offerings are engineered in Livonia, Michigan, and certified for road use, combining factory quality with race-inspired innovation. Deeply rooted in motorsport, Roush Performance draws from Jack Roush's legacy of more than 30 national championships and over 400 race victories across , , and stock car disciplines, including NASCAR successes through his ownership of what is now . This racing heritage informs the company's competition engine division, which continues to produce high-output powertrains since 1976, powering both professional teams and consumer builds.

History

Founding and Early Development

Jack Roush began his professional career in the as an engine development engineer at in 1964, where he initially worked on quality control and assembly processes before becoming involved in the company's efforts through the "Fastbacks" team. His early interest in high-performance engineering soon led him to compete personally in during the late 1960s, marking a shift from corporate engineering to hands-on motorsport participation in events sanctioned by the (NHRA), (IHRA), and American Hot Rod Association (AHRA). In 1970, Roush partnered with drag racer Wayne Gapp to form a professional team, achieving significant success in competition and securing multiple championships across NHRA, IHRA, and AHRA series between 1970 and 1975. These victories, including national titles in , established Roush's reputation for innovative and vehicle preparation, with key early wins highlighting his prowess in building competitive Ford-powered entries. This period represented his entry into professional motorsport , as he began customizing components to outperform rivals on the strip. Building on this foundation, Roush founded Performance Engineering in 1976 as a specialized provider of custom racing designs, high-performance engines, and parts for motorsport teams across drag racing, oval-track, and other disciplines. The company's initial focus centered on engine building, supplying reliable, high-output powertrains that supported teams in various competitions, including offshore power boating. By the mid-1980s, Roush expanded into and development, entering road racing series such as the Sports Car Club of America (SCCA) Trans-Am and International Motor Sports Association () Camel GT in 1984 at Ford's request to prepare competitive entries like the . This marked a pivotal early development in diversifying from drag-specific expertise to broader engineering.

Transition to Street Performance

In 1995, formally established Roush Performance Products as a division of The Roush Company in , marking a pivotal shift from his motorsports background to the development of street-legal performance enhancements for consumer vehicles. This transition leveraged Roush's racing heritage, which dated back to the founding of Jack Roush Performance Engineering in 1976, to commercialize high-performance components for everyday drivers seeking enhanced Ford vehicles. The new entity focused on bridging the gap between track-proven technology and accessible street modifications, positioning Roush as a key player in the aftermarket sector. Initial product offerings centered on aftermarket upgrades tailored primarily for Ford Mustangs, including suspension systems for improved handling, exhaust components for better flow and sound, and aerodynamic body kits to enhance both and . These parts were engineered to install on stock vehicles without compromising drivability, appealing to enthusiasts who wanted racing-inspired refinements for daily use. By emphasizing compatibility and quality, Roush quickly built a reputation for reliable enhancements that extended beyond pure competition applications. A cornerstone of this evolution was Roush's strategic partnership with , which enabled certified modifications backed by manufacturer warranties, ensuring consumer confidence in the upgrades. This collaboration culminated in the late 1990s with the release of the first factory-modified Mustangs, fully integrated vehicles produced under Roush's oversight and sold through Ford dealerships, signifying the company's successful entry into the broader consumer automotive market.

Key Milestones and Expansions

In 2003, partnered with Robert Yates and to establish Roush Yates Engines as the exclusive builder of Ford engines for teams, marking a significant expansion in Roush's motorsports engineering capabilities. During the , Roush Performance broadened its portfolio into alternative fuel systems by developing liquid propane autogas conversion kits, including options for Ford F-150 trucks introduced in 2007 and E-Series vans adaptable for applications. These kits enabled cleaner operation without power loss, with subsequent implementations for Blue Bird Type C es by the late , as demonstrated in fleet conversions for districts like Chenango Forks in 2019. Roush Performance maintains close integration with its affiliated racing operations, formerly known as Roush Fenway Racing and rebranded to in 2021, facilitating the transfer of race-proven technologies such as advanced and to street vehicle modifications. In 2017, founder was inducted into the , recognizing his contributions to automotive engineering and motorsports innovation. Entering the 2020s, Roush Performance experienced growth in modifications, exemplified by the launch of the 2020 ROUSH Raptor package for enhanced suspension and terrain capability on Ford F-150 platforms, followed by advanced kits like the 2025 RT6 for lifted trucks with rugged body and wheel upgrades.

Products and Technologies

Aftermarket Performance Parts

Roush Performance offers a range of standalone aftermarket components designed to enhance the handling, appearance, and efficiency of Ford vehicles, including the Mustang, F-150, and Focus. Key offerings include suspension kits that provide improved ride quality and stance, exhaust systems for better sound and flow, aerodynamic body parts such as spoilers and diffusers to optimize airflow, and custom wheels for enhanced aesthetics and performance. These parts target enthusiasts seeking bolt-on upgrades without requiring extensive modifications. A notable example is the 2024-2025 5.0L V8 Air Intake System, which features a high-flow that increases by over 30% compared to the setup, improving response and engine sound while operating without ECU tuning. For the F-150, the 2021-2025 Cat-Back Performance Exhaust Kit utilizes T-304 stainless steel construction with dual tips to enhance exhaust flow and deliver a race-inspired tone. Suspension options, such as the 2-inch System for the F-150, offer a leveled stance for better on-road handling and are suitable for both daily driving and light off-road use. Aerodynamic enhancements include the 2018-2023 Spoiler and Wheel Shroud 3-Piece Aero Kit, made from durable TPO material to reduce drag and increase for improved stability. Wheels like the 20x9 set for the F-150 provide a robust, precision-engineered option tested for demanding conditions. For the Focus, the High-Flow Exhaust Kit for 2012-2019 ST models adds a throaty note and performance gains through its cat-back . These components emphasize ease of installation, with most featuring bolt-on designs that allow for DIY setup or professional dealer installation using standard tools. Many parts, including air intakes and exhaust systems, are engineered for 50-state emissions compliance where applicable, ensuring legal operation across the U.S. Roush maintains compatibility with original Ford warranties when installed by authorized dealers, preserving vehicle coverage for unaffected components. All Roush parts come with a standard 3-year/36,000-mile limited warranty, underscoring their reliability and quality construction. The development of Roush's aftermarket parts has evolved significantly since the company's entry into performance components in the mid-1990s, beginning with basic suspension and exhaust kits for during a period of growing aftermarket demand in the late 1990s and early 2000s. Early offerings focused on straightforward enhancements like cat-back systems and simple lowering kits, reflecting the era's emphasis on accessible upgrades for street-driven vehicles. Over time, advancements have incorporated modern materials such as carbon fiber for aerodynamic elements—like the Active Aerodynamic Carbon Fiber Spoiler for Mustangs, which adjusts for up to three times more —and adjustable suspension components for tunable handling. This progression aligns with Roush's expertise, shifting from rudimentary bolt-ons to sophisticated, track-inspired parts that integrate seamlessly with contemporary Ford platforms.

Engine and Powertrain Components

Roush Performance specializes in high-output V8 engines designed for both racing and street applications, with a focus on Ford platforms such as the Mustang. The company's custom engine builds include crate engines like the 5.0L RSC , a supercharged, fuel-injected V8 featuring four valves per cylinder and , which delivers 600 horsepower after testing. These engines are engineered for reliability under high stress, backed by a two-year, 24,000-mile limited warranty, and represent Roush's emphasis on balancing with durability for enthusiast vehicles. Central to Roush's enhancements are its systems, which utilize Eaton's Twin Vortices Series (TVS) to force air into the engine for significant performance improvements. These TVS units, such as the R2650 variant, incorporate air-to-air intercoolers to reduce intake temperatures and prevent , enabling consistent power delivery across the RPM range. For instance, the Phase 2 kit for the 2024-2025 GT boosts output to 810 horsepower, while the system for the 2021-2025 F-150 5.0L V8 adds 305 horsepower for a total of 705 horsepower, representing a 76% increase over the stock output of 400 horsepower. These systems include custom ECU calibrations to optimize fuel delivery, , and boost levels, ensuring seamless integration with the vehicle's . Roush also develops complementary powertrain components, including upgraded transmissions and tuning kits tailored to Ford's modular V8 platforms. Options such as the six-speed manual or 10-speed automatic transmissions are calibrated for high-torque applications, often paired with enhanced cooling systems to maintain efficiency during prolonged performance driving. These elements, combined with proprietary tuning software, allow for dyno-verified torque curves that maximize the potential of supercharged 5.0L engines, such as those producing over 600 lb-ft in installations. Historically, Roush's engine and powertrain innovations draw from its extensive heritage, where affiliated facilities like Roush Yates Engines build purpose-built V8s for the and Series, incorporating advanced airflow and durability technologies that inform street-legal components. This motorsports-derived expertise enables Roush to adapt racing-grade principles, such as optimized combustion and thermal management, into production-oriented upgrades for vehicles like and F-150.

Alternative Fuel Systems

Roush Performance, through its division ROUSH CleanTech, has developed liquid propane injection (LPI) systems as a key technology, enabling bi-fuel operation in vehicles such as Ford F-150 trucks and school buses. These systems convert standard or diesel engines to run on autogas while preserving original power output and drivability. The development of these propane conversion kits began in the mid-2000s, with initial focus on fleet vehicles; for instance, a 2006 grant supported F-150 system prototyping, leading to the first commercial order of 136 units in 2008. By the early , production expanded to school buses, with models entering service in 2012. These systems received EPA certification starting in 2010 for models like the Ford E-150 and E-250, ensuring compliance with clean fuel emissions standards, and subsequent certifications for heavy-duty applications in 2018. In October 2025, ROUSH CleanTech engines received California Air Resources Board (CARB) certification, achieving 90% lower emissions than 2023 EPA standards, supporting broader adoption in low-emission zones. Key components include ASME-certified fuel tanks mounted in the vehicle bed or , liquid propane injectors that deliver fuel directly to the for efficient , and ECU remapping to enable seamless switching between propane and modes without performance loss. This setup supports dual-fuel flexibility, allowing operators to refuel with whichever fuel is available. The kits offer significant benefits for commercial fleets, including up to 20% lower emissions and 24% reduced gases compared to equivalents, aiding environmental compliance. 's lower cost—often 50-60% cheaper than —yields substantial savings; for example, over 23,000 propane school buses (as of 2025) have collectively saved districts more than $100 million annually in fuel expenses while maintaining or exceeding power levels for demanding routes.

Factory-Modified Vehicles

Mustang-Based Models

Roush Performance's Mustang-based models are factory-modified versions of the , engineered at their facility to deliver enhanced performance while maintaining 50-state emissions legality and compatibility with Ford's factory warranty. These models are built in limited annual production runs, such as the 2008 428R limited to 200 units, featuring unique styling elements including aggressive aero kits, seats, and custom badging. The lineup centers on progressive stage packages that escalate from entry-level enhancements to high-output supercharged configurations. The entry-level model serves as the foundation, incorporating Roush's signature styling and suspension upgrades without altering the base engine output. Higher trims like the 427R and 428R add specialized components, such as advanced braking systems and racing seats, for a more track-oriented experience while preserving street drivability. All variants carry Roush's warranty of up to 5 years or 60,000 miles, supplementing Ford's coverage. Stage 1 packages emphasize handling and aesthetics, adding performance suspension, exhaust upgrades, and 19-inch wheels to the base , with modest power gains from exhaust and totaling around 320 horsepower for 2005-2006 GT models for improved responsiveness. Stage 2 builds on this by integrating a , boosting output to around 600 horsepower in mid-2000s examples, along with enhanced cooling and reinforcements for balanced street and track use. The top-tier Stage 3 incorporates full aerodynamic bodywork, including front fascias and rear diffusers, to achieve up to 670 horsepower, as seen in early supercharged variants. These models excel in acceleration and speed, with Stage 3 variants capable of 0-60 mph times as quick as 3.5 seconds and top speeds exceeding 180 mph, demonstrated in dyno-tested and track-verified configurations from the . Production emphasizes hand-built quality, with limited volumes ensuring exclusivity, such as the 2002 360R's run of around 141 units featuring supercharged power and custom tuning. Beyond core stages, aftermarket parts like superchargers can be referenced for further customization, though full vehicle builds remain the focus for factory warranty retention.

Truck and SUV Models

Roush Performance offers specialized modifications for Ford F-150 , with the 2025 Nitemare model serving as a flagship in the lineup. This variant features a supercharged 5.0L producing 705 horsepower and 635 lb-ft of , enabling exceptional and street performance. The suspension is lowered by up to 5 inches with custom coilovers, drop spindles, and upgraded sway bars to enhance handling and cornering, drawing inspiration from racing dynamics while prioritizing on-road agility over traditional off-road traversal. Additional upgrades include 22-inch gloss black wheels fitted with 305/40R22 all-season tires, slotted brake rotors for improved stopping power, and a blacked-out aesthetic package featuring a signature grille, hood extractors, and Raven Black leather interior accents. The 2025 Roush RT6 is a dedicated off-road variant of the F-150, featuring a 6-inch lifted suspension system with long-travel shocks, 35-inch General Grabber all-terrain tires on 20-inch satin black wheels, and skid plates for underbody protection. It maintains robust capacities up to the factory's 13,500 pounds while enhancing off-road articulation and stability. For heavier-duty applications, the 2026 Roush Super Duty builds on Ford's F-250 and F-350 platforms, emphasizing enhanced and off-road capabilities through performance packs. These modifications maintain or augment factory capacities, supporting up to 20,000 pounds in conventional configurations depending on engine and setup, while integrating a suspension system for better stability and ride quality during heavy loads. Key upgrades include 35-inch Grabber A/TX all-terrain tires on 20-inch satin black wheels, long-travel shocks for improved off-road articulation, and protective skid plates to safeguard underbody components in rugged terrain. The package also incorporates dyno-tuned exhaust systems for diesel variants, optimizing power delivery and sound, alongside slotted front and rear brake rotors to handle the demands of and high-speed maneuvers. Common enhancements across Roush truck models focus on durability and utility, such as integration with autogas systems for fleet operations. These ROUSH CleanTech convert F-150 and Super Duty vehicles to run on liquid propane injection, reducing costs and emissions while preserving levels equivalent to gasoline counterparts, with over 50,000 units deployed in commercial fleets. Blacked-out aesthetics, including high-flow grilles, fender flares with , and carbon fiber interior trim, provide a cohesive aggressive look, complemented by Brembo-inspired slotted brake upgrades in select performance configurations for superior during heavy-duty use. These modifications position Roush trucks as versatile options for both recreational and professional tasks.

Limited-Edition and Custom Builds

Roush Performance has produced several limited-edition vehicles that emphasize exclusivity through low production volumes, thematic designs, and enhanced performance specifications. These models often draw inspiration from , racing heritage, or regional markets, featuring serialized plaques and unique badging to denote their rarity. For instance, the 2017 P-51 Mustang, debuted at the 2016 SEMA Show, pays homage to the World War II P-51 fighter plane with -themed graphics, a supercharged 5.0-liter producing 727 horsepower, and aerodynamic enhancements including a front and rear diffuser. Other notable special editions include the 2011 Shamal 500R Mustang, exclusively offered in the Middle East market with only 15 units built, equipped with a supercharged 5.0-liter V8 delivering 525 horsepower, upgraded suspension, and larger brakes for superior handling. The 2007-2009 BlackJack Mustang series, limited to 100 coupes and 50 convertibles, adopted a stealthy all-black aesthetic with matte finishes, a supercharged 4.6-liter V8 rated at 430 horsepower, and Stage 3 suspension upgrades for track-oriented performance. Similarly, the 2020 Jack Roush Edition Mustang, produced in just 60 units to honor founder Jack Roush's NASCAR Hall of Fame induction, featured 775 horsepower from a supercharged 5.0-liter V8, custom Hall of Fame graphics, and adaptive suspension, with pricing starting over $100,000. The 2011 5XR represents an extreme example of limited production, with approximately 136 units assembled, boasting 525 horsepower from a supercharged TVS-2300 system, a three-year , and elements like hand-assembled interiors and serialized components for collector appeal. Beyond production specials, Roush Performance undertakes custom one-off builds and modifications tailored to client specifications, often incorporating their high-performance engines into unique projects. A prominent example is the 2024 collaboration with artist for a singular F-350 Dually truck, featuring custom off-road enhancements, a supercharged V8, and personalized styling elements like branded interiors. Roush also supplies crate engines, such as the 427SR V8, for restorations and replicas, including Coupe projects where clients integrate Roush powertrains for over 480 horsepower and track-focused tuning. These custom efforts emphasize hand-built quality, with options for serialized plaques, premium leather interiors, and performance calibrations suited to or collector demands, typically exceeding $100,000 in cost.

Racing Involvement

Motorsports Heritage

Roush Performance's motorsports heritage traces its origins to the high-stakes world of in the 1960s and . Founder began competing in (NHRA) events after joining The Fastbacks, a group of Ford engineers dedicated to performance development, in 1965. Throughout the decade, Roush built and tuned engines for Ford vehicles, gaining recognition for innovative designs that pushed the limits of quarter-mile performance. By the , his expertise in led to the establishment of Roush Performance Engineering in 1976, where he began producing parts for broader motorsport applications. In 1984, Roush shifted focus to road racing by forming Roush-Protofab to compete in the Sports Car Club of America (SCCA) Trans-Am series and the International Motor Sports Association (IMSA) GT classes. This entry marked a pivotal expansion, with the team securing victories in its inaugural season using Ford Mustangs and Mercury Capris prepared with advanced chassis and aerodynamic modifications. Roush's road racing efforts continued through the 1980s and beyond, encompassing endurance events and contributing to the evolution of production-based prototypes in these series. Roush entered in 1988 with the formation of Roush Racing, launching a team with driver in a . The organization rapidly expanded to multiple entries across NASCAR's national series, adapting engineering principles to oval-track demands. In 2007, it became Roush Fenway Racing through a partnership with , and by 2021, it rebranded as following Brad Keselowski's investment as a driver-owner, maintaining a multi-car presence in the Cup Series. Beginning in the 2010s, Roush extended its involvement to off-road motorsports, supplying high-performance engines for the grueling desert race and short-course events in the Off-Road Racing Series (LOORRS), including rounds at Glen Helen Raceway. Roush Competition Engines has powered teams to strong finishes in these disciplines, drawing on durable designs tested in extreme conditions. Throughout its racing endeavors, Roush has applied technologies developed on the track—such as aerodynamic testing from and —to refine street-legal performance products. Wind tunnel simulations and airflow optimization techniques, honed in competitive environments, enhance the efficiency and handling of aftermarket components like body kits and suspension systems.

Engine and Team Contributions

Roush Yates Engines, formed in 2003 through a partnership between and Robert Yates, serves as the exclusive engine builder for Ford Performance in 's premier series, supplying high-performance V8 engines that have powered over 450 combined wins across , , and FIA competitions since 2004. These engines, such as the FR9 and RY45 models, are engineered for extreme durability and output, with unrestricted configurations capable of exceeding 800 horsepower while adhering to 's race-specific restrictions of around 670 horsepower in the Series. In addition to , Roush Yates provides technical support through engine supply to part-time teams in the NASCAR Xfinity Series, enabling competitive performance in the developmental circuit via shared Ford partnerships that extend to full-time operations. The division also contributes to , where Roush Performance Engines have secured multiple class wins, including championships in Pro 2, Pro Lite, and Super Stock categories at the Glen Helen Raceway during Championship Off-Road events. Key innovations from Roush Yates include custom-machined camshafts and advanced components designed for high-rpm reliability, produced using precision CNC processes in collaboration with partners like Mastercam for multi-axis milling. The team further enhances race tuning through simulation software, such as Gamma Technologies' GT-SUITE for engine modeling and CONVERGE CFD for analysis of cylinder flows and scavenging. Strategic partnerships with Ford extend beyond NASCAR to IMSA prototype racing, where Roush Yates builds twin-turbo 3.5-liter EcoBoost V6 engines for WeatherTech SportsCar Championship entries, and to drag racing classes, adapting NASCAR-spec V8s for high-acceleration applications like NHRA Pro Stock.

Notable Achievements and Championships

Roush Performance has achieved significant success in NASCAR, powering teams to eight championships across the sport's top three series since entering in 1988, including owner titles in the Cup Series (2004), Xfinity Series (2002, 2011, 2018), and Truck Series (2000, 2004). A highlight was the 2004 NASCAR Cup Series driver's championship won by Kurt Busch driving the No. 97 Roush Racing Ford, marking the organization's first Cup title and solidifying its status as a powerhouse in stock car racing. In other motorsports, Roush technology contributed to multiple GT class victories and championships during the 1980s, with the Roush-prepared dominating the GTO category, including seven wins in 1985 alone and nine consecutive class victories at the from 1985 to 1993. More recently, Roush Performance Engines secured championships in the Off Road Racing Series (LOORRS) in 2024, powering winners in the Pro Lite and Super Stock classes at the season finale in Glen Helen, California. Roush has also notched class victories at the , leveraging its off-road engine expertise in events like the 2024 edition where its powerplants supported competitive runs in limited classes. Roush engines hold notable records in NASCAR, including over 250 poles across and other series since 2004, the most for any Ford engine builder in partnership with Roush Yates Engines. In , and partner Wayne Gapp set NHRA records in the , winning multiple national event titles and championships between 1970 and 1975 with innovative and entries. A key milestone came in 2019 when founder was inducted into the , recognizing his contributions to 143 Series wins and broader legacy.

Operations and Impact

Facilities and Manufacturing

Roush Performance maintains its headquarters in , at 28200 Plymouth Road, where core operations including vehicle assembly and are conducted. This location serves as the primary hub for engineering and production activities within the broader Roush Enterprises network, which encompasses over 3 million square feet of development space across multiple sites. The company operates specialized facilities to support its performance-oriented work, including dynamometer testing labs equipped with 50 test cells for evaluation in automotive, motorsport, and related applications. Additionally, through its ROUSH CleanTech division, headquartered in , Roush manages propane conversion centers focused on fleet vehicles, having converted over 50,000 units to propane systems for enhanced efficiency and reduced emissions. These sites enable comprehensive testing and customization tailored to high-performance and requirements. Manufacturing at Roush Performance emphasizes in-house fabrication of precision components, utilizing advanced CNC machining processes such as milling, turning, routing, and waterjet cutting, often conducted on multi-axis equipment with 24/7 capabilities. The company also incorporates carbon fiber composites in part production, leveraging dedicated composites shops to create lightweight, high-strength elements like spoilers and interior trims for enhanced . All processes adhere to rigorous quality standards, with select locations certified to ISO 9001:2015 and Rev D by NSF-ISR, ensuring compliance in for automotive and sectors. Roush Performance's annual production centers on hand-built, limited-edition modified vehicles in its facility, integrating OEM components from Ford suppliers to maintain compatibility and performance standards. Historical data as of 2017 indicates output in the range of several hundred units per year for models like Mustangs, reflecting a focus on exclusivity rather than .

Market Presence and Innovations

Roush Performance maintains an extensive network of authorized dealers across the , enabling widespread access to its performance-modified vehicles and parts through certified Ford dealerships. This distribution model supports efficient delivery and service for customers seeking high-performance upgrades. Internationally, the company has expanded its presence into markets such as via dedicated operations backed by local partners like Mustang Motorsport, and the , where it supplies engineered performance parts and technologies for Ford Mustangs and F-150 trucks. This global outreach was recognized by the U.S. Department of Commerce with an Export Achievement Certificate for successfully entering and growing in foreign markets. In terms of innovations, Roush Performance has ventured into engineering, notably developing all-electric versions of the Ford F-650 , which features a mid-mounted 335-horsepower AC permanent magnet motor and an up to 120-mile range, demonstrating the company's capability in sustainable performance solutions. While primarily known for internal combustion enhancements, these efforts position Roush to adapt tuning expertise to emerging electric and hybrid platforms in future Ford vehicles, aligning with industry shifts toward . The company holds patents on key technologies, such as the "Roushcharger" system, which integrates advanced for optimized power delivery in high-performance applications. Roush Performance contributes significantly to Ford's performance ecosystem through long-standing partnerships that trace back to the , providing engineering expertise and aftermarket components that enhance Ford's lineup for high-performance enthusiasts. As a private entity, the company generates an estimated annual revenue of approximately $108 million, reflecting its niche focus on the enthusiast market segment where demand for customized, track-ready modifications drives growth. This emphasis on premium, performance-oriented products underscores Roush's role in elevating Ford's appeal among dedicated automotive hobbyists and modifiers.

Recent Developments

In 2025, Roush Performance reintroduced the Nitemare package for the Ford F-150, transforming it into a high-performance street truck with a supercharged 5.0L producing 705 horsepower and 635 lb-ft of via the TVS R2650 system. The model features a lowered Roush Suspension Package, including coil-overs, drop spindles, progressive-rate springs, and upgraded sway bars for enhanced handling and a -3-inch front / -5-inch rear drop, enabling over 1g of cornering capability. Unveiled in April 2025 and available starting later that year, the Nitemare emphasizes track-inspired street with 22-inch wheels, a performance exhaust, and bold styling elements like a high-flow grille and fender flares. Building on its heavy-duty lineup, Roush Performance launched the 2026 Super Duty package in October 2025 for Ford F-250 and F-350 Lariat trims, focusing on enhanced capability through a lifted performance suspension system, slotted brake rotors, and a dual-tipped exhaust for improved airflow and sound. Powered by the standard 6.7L Power Stroke V8 offering up to 1,200 lb-ft of in its high-output variant, the package supports superior with 35-inch all-terrain tires, 20-inch satin black wheels, and optional ditch lights for better visibility during demanding tasks. Priced at $20,999 above the base vehicle, it includes a 3-year/36,000-mile and integrates features like rear flood lights to aid in low-light operations. Roush Performance expanded its racing involvement in 2025, with its competition engines powering multiple class wins at the Glen Helen Grand Prix, including Pro 2, Pro Lite, and Super Stock championships, positioning drivers for success at the SCORE in November. At the 2025 SCORE (November 10-16), no class wins were reported for Roush-powered entries in available results. These engines, built on Ford platforms like the Spec Pro2 small-block, demonstrated reliability in short-course , contributing to points leads heading into the Baja event. Strategically, affiliated racing operations under underwent a corporate in February 2025 to support long-term growth, followed by expansion to a three-car lineup for the season, adding driver in the No. 60 car with sponsorship. This move, announced in November 2024 and effective for 2025, aimed to enhance competitiveness and branding synergy across performance divisions.

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