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Radical SR3

The Radical SR3 is a two-seater, road-legal race car produced by , a manufacturer of high-performance track vehicles. Launched in , it features a lightweight spaceframe chassis and is powered by a mid-mounted inline-four engine, delivering exceptional agility and speed for club racing, track days, and occasional road use. Since its introduction, the SR3 has evolved through multiple generations, establishing itself as Radical's most popular and best-selling model, with over 1,500 units delivered as of 2022. Early versions utilized a Hayabusa-derived 1500cc engine producing up to 260 horsepower, paired with a six-speed sequential gearbox and weighing approximately 570 kg dry. The 2011 SR3 SL variant marked a as the company's first fully EC Type Approved street-legal , incorporating a turbocharged 2.0-liter for broader accessibility. Subsequent updates, including the 2020 SR3 XX and 2023 SR3 XXR with 2025 enhancements such as advanced carbon fiber seating for improved safety, introduced advanced features such as electronic power distribution modules, multi-function steering wheels with integrated displays, biofuel-compatible RPE Gen5 engines (1340cc at 205 hp or 1500cc at 232 hp), and aerodynamic enhancements like carbon fiber bi-plane rear wings, achieving a circuit lap time of 2:02. Renowned for its FIA-certified safety cell, adjustable , and high downforce , the SR3 excels in one-make series like the Radical Cup UK and has set benchmarks in amateur and professional . Its curb weight of around 620 kg in the latest XXR configuration, combined with a top speed exceeding 150 mph and 0-60 mph acceleration in under 3 seconds, underscores its role as an accessible yet thrilling entry into . The model's enduring success stems from Radical's focus on reliability, upgradability, and driver engagement, making it a staple in global track communities.

Development and History

Origins and Design

The Radical SR3 was introduced in 2001 by Radical Sportscars, a British manufacturer founded in 1997 in Cambridgeshire, UK, with the goal of producing affordable, high-performance track cars using motorcycle-derived powertrains. As a successor to earlier models like the 1999 Prosport, the SR3 was specifically developed as a two-seater sports prototype targeted at international racing in the FIA's C3 class, emphasizing accessibility for both amateur enthusiasts and professional drivers through its relatively low cost and straightforward maintenance. The car's design was led by renowned race engineer Mike Pilbeam, who focused on a lightweight tubular spaceframe to achieve exceptional strength-to-weight ratios while keeping the dry weight under 500 kg. This construction, often described as a high-tensile carbon tubular spaceframe, formed the foundation for the SR3's high-downforce and open-cockpit layout, making it suitable for intense use without compromising on involvement or . The initial concept prioritized a compact, agile that could deliver prototype-level performance at a fraction of the price of traditional sports racers, appealing to a broad spectrum of racers seeking an entry into competitive circuit events. The SR3 quickly proved its potential with its first race victory at in 2002, a milestone that validated the design's effectiveness and prompted the introduction of the refined "" variant, where "" honored the track and signified subsequent engineering enhancements. This early success underscored Radical's commitment to evolving the model as a benchmark for accessible prototype racing, setting the stage for its enduring popularity in track day and club racing scenes.

Production and Evolution

The Radical SR3 entered production in 2002 at Radical Sportscars' facility in Peterborough, United Kingdom, marking the beginning of what would become the company's flagship model. Initially designed as a pure track car, the SR3 quickly gained traction in motorsport circles, with production ramping up to meet demand from racing teams and enthusiasts. As of 2025, over 1,700 units of the SR3 family have been produced, including the milestone 3,000th Radical vehicle which was an SR3 XXR, solidifying its status as Radical's most successful model and accounting for the majority of vehicles on grids in global Radical Cup events. Key milestones in the SR3's evolution include the 2003 introduction of the SR3 Turbo variant, which boosted power output through a Powertec 1500cc to enhance competitiveness in high-performance . By 2022, the platform had expanded to support 12 international Radical Cup championships, reflecting its widespread adoption in series across , , , and . has continually adapted to meet evolving emissions and regulations, such as incorporating biofuel-compatible engines and upgraded braking systems in later models to comply with FIA standards and environmental guidelines. A notable shift occurred with the introduction of road-legal configurations, beginning with the 2011 SR3 SL model equipped with a to satisfy public road requirements in select markets like the and . This adaptation broadened the SR3's appeal beyond track use while maintaining its racing pedigree. In 2022, Radical announced the SR3 XXR, an updated iteration featuring modern materials like optional carbon fiber splitters and diffusers for improved aerodynamics and weight reduction, ensuring the platform's ongoing relevance in contemporary racing. For the 2025 model year, the SR3 XXR received further enhancements including new optional aerodynamic components and electronic upgrades to support competitive racing while locking in 2024 pricing for early orders.

Design and Chassis

Aerodynamics and Body

The Radical SR3 features a lightweight body constructed primarily from carbon fiber and fiberglass-reinforced (GRP) composite panels, which contribute to its low curb weight of approximately 620 kg while generating significant aerodynamic for enhanced track performance. These materials allow for durable, high-strength bodywork that minimizes drag and maximizes stability, with optional carbon fiber upgrades for components like the front splitter and rear diffuser, reducing weight by up to 6 kg and further optimizing airflow. The adjustable bi-plane rear wing and front dive planes enable drivers to fine-tune levels for specific track conditions, balancing speed and cornering grip. The vehicle's open-cockpit design accommodates two seats in a tandem configuration, promoting a low center of gravity for superior handling agility. A fixed wind deflector serves as a windscreen to manage over the occupants, while integrated side pods direct air to the radiators and underbody, reducing and supporting overall aerodynamic efficiency. This layout, combined with LMP-inspired styling, ensures the SR3 remains compact and maneuverable, with dimensions of 4.077 m in length, 1.799 m in width, and a wheelbase of approximately 2.38 m. These aerodynamic elements contribute to the SR3's impressive power-to-weight ratios, exceeding 350 per in standard configurations and surpassing 400 per in tuned setups, underscoring its focus on track-optimized performance without compromising structural integrity.

Suspension and Safety Features

The Radical SR3 features an independent double-wishbone suspension system at both front and rear axles, utilizing unequal-length wishbones with fabricated uprights and forged center-locked hubs for precise handling in high-speed track conditions. This setup incorporates adjustable pushrods that actuate the dampers, allowing for fine-tuning of , , and anti-roll characteristics via the proprietary Nik-link system, which enables drivers to adapt the car's balance to various circuits without compromising . The dampers, typically sourced from Intrax, offer single or triple adjustability options to optimize damping rates for different track surfaces and driving styles. Braking performance is delivered through bespoke Radical four-piston calipers at all four corners, clamping 280 mm x 25 mm fully floating 48-vane ventilated disc brakes designed for sustained high-temperature operation during endurance racing. These components provide progressive pedal feel and reliable stopping power, with optional upgrades available from suppliers like AP Racing for enhanced modulation in competitive environments. Safety is paramount in the SR3's design, with a full integrated into the tubular steel spaceframe , featuring an FIA-certified safety cell for and certified for international series. The cockpit includes sequential six-point harnesses, typically from brands like Schroth or Sabelt, which secure the driver firmly while allowing quick release for emergencies. As of 2025, updated harnesses are available in four color options. A full electronic , FIA-compliant and activatable from both inside and outside the car, protects against potential engine bay fires, complemented by a foam-filled aluminum to minimize fuel spillage risks. Optional carbon fiber bucket seats with integrated head restraints further enhance occupant by reducing movement during impacts; as of 2025, these include lighter single seats and twin seats with inserts and stronger mounts. Tire options emphasize maximum in a no-electronic-aids philosophy, with 15-inch front and 16-inch rear center-lock cast aluminum wheels fitted as standard. Standard tires are Hankook slicks in 200/580R15 front and 260/610R16 rear sizes, with optional Hoosier slicks such as 200/580R15 fronts and 265/605R16 rears, or Avon equivalents like 200/580R15 fronts and 260/610R16 rears, providing superior dry traction, while wet-weather treaded variants ensure versatility across conditions.

Powertrain and Performance

Engine Configurations

The Radical SR3 has primarily utilized hand-built four-cylinder engines developed by Radical Performance Engines (RPE), derived from Suzuki Hayabusa motorcycle units with naturally aspirated configurations and dry sump lubrication for enhanced reliability in racing applications. The standard 1,340 cc inline-four engine delivers up to 205 bhp at approximately 11,000 rpm, featuring a DOHC 16-valve head, chain-driven camshafts, and individual throttle bodies for precise fuel delivery via electronic injection. An optional 1,500 cc variant, achieved through stroking the base engine with components like a forged crankshaft and pistons, increases output to 232 while maintaining the same architecture and a 50-hour rebuild interval for track durability. Throughout its evolution, RPE has refined these motorcycle-derived engines for higher performance, including turbocharged options to boost ; for instance, early turbo variants like the 2003 SR3 Turbo employed a tuned 1,500 cc Powertec unit producing 320 , enabling superior acceleration in specialized setups. In a notable shift for road-track versatility, the SR3 SL model, introduced in 2011 and updated through subsequent years including 2022 configurations, adopts a 2.0 L EcoBoost direct-injection turbocharged four-cylinder rated at 300 , incorporating emissions-compliant tuning to satisfy modern regulations while pairing with electronic fuel injection. All SR3 engines feature a 77 L foam-filled for extended track sessions, with the system optimized for compatibility in recent RPE generations.

Transmission and Drivetrain

The Radical SR3 utilizes a configuration, with power transferred from the mid-mounted via a compact Quaife Gear Drive Unit (GDU) to an integral six-speed sequential gearbox. This enclosed gear drive system, developed specifically for the SR3, replaces the chain drives of prior Radical models like the Clubsport and Prosport, enabling tighter packaging within the while enhancing and reducing needs. The gearbox employs dog-ring engagement for swift, load-bearing shifts without synchromesh, paired with paddle-shift controls and an auto-blipper mechanism to match revs automatically during downshifts. A Quaife handles torque distribution to the rear wheels, featuring interchangeable final drive ratios—such as the standard 3.07:1, with options including 3.40:1 and 2.91:1—to optimize performance for varying track layouts. Base models omit electronic traction control, prioritizing mechanical setup and driver input for propulsion management, which aligns with the SR3's focus on raw handling feedback. Shift points can be tuned to complement engine torque characteristics, ensuring efficient power delivery across the rev range.

Variants

Early Production Models

The early production models of the Radical SR3, spanning from to approximately , marked the introduction and initial evolution of this track-focused , building on the spaceframe heritage from predecessor models like the Prosport. These Generation 1 and early Generation 2 variants emphasized affordability and performance for club racing and track days, with production totaling around 500 units during this period. The initial SR3 production model, launched in 2002, featured refined , including optional high-downforce bodywork featuring a chassis-mounted splitter and bi-plane rear wing for enhanced stability at speed. It was powered by a modified 1,340 cc inline-four engine producing approximately 205 , tuned for reliability in racing applications and debuting in the inaugural Radical Cup series. Chassis refinements included the addition of a Quaife to improve traction and rigidity, contributing to the model's reputation for agile handling on circuits. The SR3 RS designation was introduced in 2009 for Generation 2 models. In 2003, introduced the SR3 Turbo as the first forced-induction variant, featuring a on a 1,500 cc engine to deliver 320 , significantly boosting acceleration and top-end power for competitive use. This model maintained the core track-only setup, with no standard road , though optional kits were available for further power customization alongside lubrication and upgrades. Overall, these early models prioritized uncompromised racing performance, with motorcycle-derived engines and minimalist designs ensuring low maintenance costs and high driver engagement.

Recent Updates and Special Editions

In response to evolving racing regulations and customer demands for enhanced usability, introduced the SR3 SL variant in as its first fully road-legal model, featuring a lightweight construction with a curb weight of 765 kg achieved through composite materials and a streamlined body. This version incorporates a 2.0-liter turbocharged inline-four engine producing 300 , marking the first use of a four-wheeled vehicle-derived in the SR3 lineup for better delivery and road compliance. The SR3 XX, introduced in 2020, brought advanced data logging and electronic enhancements to the lineup, improving usability for track enthusiasts. Building on this foundation, the SR3 XXR was unveiled in 2022 as a refined race-oriented evolution, equipped with an updated 1,500 cc RPE-tuned four-cylinder engine delivering 232 bhp for improved efficiency and exceeding 350 bhp per tonne at a dry weight of 620 kg. Key enhancements include revised for greater reliability, such as advanced data logging and Formula steering wheel integration, alongside aerodynamic kits designed for FIA to ensure compatibility with international series. Special editions of the XXR have included limited-run configurations, such as builds with unique liveries and tweaks, culminating in the of Radical's 3,000th overall vehicle in January 2025—a one-off SR3 variant celebrating the company's milestone, with over 1,500 SR3 units produced to date across all models. For regulatory adaptations in markets, the SR3 SL retains ECU mapping optimized for emissions standards to maintain road legality, while race models like the XXR incorporate FIA-approved safety features including a certified and enhanced braking systems. The core chassis design has remained consistent, allowing seamless integration of these modern powertrains and features.

Racing Applications

Supported Series

The Radical SR3 primarily competes in the manufacturer's Radical Cup championships, which consist of 14 global one-make series as of 2025, including the Radical Cup UK, Radical Cup North America, Radical Cup Australia, Radical Cup France, Radical Cup Japan, and Radical Cup Caribbean, among others. These championships, established starting in 2002, emphasize spec racing to ensure close competition, utilizing standardized Hayabusa-derived engines in 1340cc and 1500cc configurations, along with spec tires from suppliers like . Eligibility in Radical Cup series is open to both amateur and professional drivers, with classes typically divided by —such as Pro 1340 and Pro 1500 for SR3 variants—to accommodate varying experience levels and . Modifications are strictly limited to ensure , primarily allowing adjustments to and while maintaining identical core components like engines and setups. This format promotes cost control, with season-long participation supported by low entry fees, such as £1,500 per round in the UK series, making it accessible for racers. Beyond Radical Cups, the SR3 has been eligible in various national and international prototype series, including the Prototype Cup in the UK, where it races alongside other sports prototypes in endurance-style events. It also participates in the Revolution Prototype Cup and Fun Cup endurance races, such as the 25 Hours at Spa-Francorchamps, often in multi-class formats that highlight its lightweight design and reliability for longer stints. Historically, the SR3 was designed for the FIA's class in the Sportscar of from its launch in until the class's discontinuation around , allowing it to compete in high-level with its composite bodywork and safety cell meeting FIA standards. In 2025, hundreds of SR3s remain active worldwide across these series, bolstered by Radical's ongoing support for parts and one-make events that keep racing operational costs low for a full season.

Notable Achievements and Records

The Radical SR3 RS achieved its inaugural race victory at in 2009, a milestone that prompted to adopt the "RS" designation for the updated model and solidified its reputation as a competitive in . In , the SR3 has secured multiple class victories, including finishes in events like the Radical Spa Festival, where drivers such as Dominik Jackson claimed double wins in the Radical Challenge class at -Francorchamps. A standout achievement came in 2019, when a Suzuki-powered SR3 clinched an outright victory in the grueling 25 Hours of Thunderhill, marking the first time a car with an engine under 2 liters won the event overall. Additionally, during a 2003 test, the SR3 Turbo set a Nordschleife lap record of 7:19, driven by professional racer , surpassing the previous mark by 13 seconds and highlighting the model's early performance prowess. Professional drivers have leveraged the SR3 for notable successes in series like the Radical European Masters and Blue Marble Radical Cup , with securing a five-race winning streak across and Mid-Ohio in 2020. Amateur competitors have dominated national cups, often comprising over 80% of grids in Radical Cup events worldwide due to the model's accessibility and reliability, leading to frequent class sweeps and high participation rates. Key milestones include the delivery of the 1,000th SR3 in 2016 and the 2023 lap record set by the SR3 XXR at (1:08.71), while tuned variants like the XXR achieve 0-100 km/h acceleration under 3 seconds, underscoring its status as one of the quickest production prototypes. In 2025, the Radical World Finals at concluded the season with champions from multiple global series competing.

References

  1. [1]
    SR3 XXR - Radical Motorsport
    The SR3 XXR is a best-selling race car with 232bhp, 620kg weight, 02m 02s laptime, 1340cc or 1500cc engine options, and a lightweight chassis.
  2. [2]
    History & Milestones - Radical Motorsport
    In 2011, Radical took the bold step of developing its first fully EC Type Approved, street-legal roadster the SR3 SL. Powered by a turbocharged Ford EcoBoost ...
  3. [3]
    [PDF] SR3 - Radical Sportscar Registry
    The SR3 is a two-seater, road-legal track car launched in 2002, and is Radical's most popular model to date.
  4. [4]
    New Radical SR3 XX - the world's best-selling race car just got smarter
    May 21, 2020 · The SR3 XX features new electrical architecture, a PDM, a new cockpit with a multi-function steering wheel, and new data logging options.
  5. [5]
    Racecar Profile: Radical SR3 RS - Winding Road Magazine
    Apr 14, 2014 · The SR3 is fast, agile, and popular, with a base price of $93,000, a Suzuki engine (210-275bhp), and a 6-speed sequential or paddle shift ...
  6. [6]
    2025 UPDATES FOR THE RADICAL SR3 XXR AND SR10 XXR
    Sep 16, 2024 · 2025 updates include new carbon seats, improved reliability, performance enhancements like sidepod and steering changes, and new ...
  7. [7]
    Radical Cup UK - Radical Motorsport
    The Fine Cut Radical Cup UK solely features Radical's best-selling model – the SR3. Making a return, the championship is now open to driver teams, allowing ...<|control11|><|separator|>
  8. [8]
    Radical SR3 specs, 0-60, quarter mile, lap times - FastestLaps.com
    Radical SR3 specs ; Car type, Open-wheeler ; Curb weight, 495 kg (1091 lbs) ; Introduced, 2002 ; Origin country, United Kingdom ; Views, 72.7k ...Missing: history | Show results with:history
  9. [9]
    2004 Radical SR3 | GR Auto Gallery
    The SR3, FIA's C3 car, is by far the most popular and most usable car that radical produced with over 800 units produced.
  10. [10]
    2003 Radical SR3 Supersport for sale by auction - PistonHeads UK
    ... Radical SR3 has been built in the Cambridgeshire city since 2002. The car was the brainchild of motorsport engineer Mike Pilbeam, who has been designing and ...
  11. [11]
    2001 Radical SR3: detailed specifications, performance ... - Car Folio
    2001 Radical SR3​​ Stated weight at the kerb is 465 kg. It is said to be able to attain a maxiumum speed of 237 km/h or 147 mph.Missing: original | Show results with:original
  12. [12]
    SR3 XXR - Radical Japan
    Beneath the skin of every Radical is a tubular spaceframe chassis that provides an excellent strength-to-weight ratio, enhancing the car's overall performance ...
  13. [13]
    https://www.demaras.com/2024/09/18/radical-sr3-on-the-race-track/
  14. [14]
    Radical SR3 Buyers Guide
    Around July of 2011 the cars were modified to meet the latest FIA safety regulations. These cars are known as: “High hoop” or “High roll bar” cars because ...Missing: C3 | Show results with:C3
  15. [15]
    News | New Radical SR3 XXR - Radical Motorsport
    Dec 19, 2022 · The SR3 XXR has a 232 bhp engine, is biofuel-ready, has a pit limiter, aerodynamic improvements, and a new braking system.
  16. [16]
    Radical SR3 Turbo specs, lap times, performance data
    Radical SR3 Turbo specs ; Car type, Open-wheeler ; Curb weight, 500 kg (1102 lbs) ; Introduced, 2003 ; Origin country, United Kingdom ; Views, 68.4k ...
  17. [17]
    [PDF] 2023-SR3-XXR-Radical-Cup-Spec.pdf - Team Stradale
    BODY. • Lightweight spaceframe chassis with FIA-specification safety cell and crash structure. • LMP-inspired, high-downforce composite bodywork. • XXR ...
  18. [18]
    2017 Radical SR3 - Motorsport & Road Cars for Sale | Racing Edge
    Composite side pods with air management system & radiator inlet. • Composite side-skirts. • New removable open-deck tail section incorporating highintensity LED ...Missing: tandem | Show results with:tandem
  19. [19]
    Detailed specs review of 2012 Radical SR3 SL model for Europe
    The overall dimensions are 3925 mm / 154.5 in of length, 1790 mm / 70.5 in of width (without mirrors) and 1140 mm / 44.9 in of height. Check the tables below ...
  20. [20]
    Radical SR3 SL specs, 0-60, lap times, performance data
    The Radical SR3 SL has a curb weight of 765 kg, 0-60 mph in 3.0s, a top speed of 162 mph, and a 2.0L R4 Turbo engine with 300 bhp.
  21. [21]
    RADICAL SR3 XX — Radical Northwest | New & Used Radical ...
    BODY. Lightweight spaceframe chassis with FIA-specification safety cell and crash structure. LMP-inspired, high-downforce composite bodywork. XX-generation LED ...Missing: aerodynamics construction
  22. [22]
    6 point harness – Alternate Parts / Source - Radical Sportscar Registry
    Mar 13, 2019 · Schroth is the OEM for Radical's harness, so the only difference is the name sewn on the label. They even come in 4 different colors! https:// ...Harness replacement/setup – crotch strap questionsDifferent seat? – General Discussion - Radical Sportscar RegistryMore results from radicalsportscarregistry.com
  23. [23]
    Radical SR3 XXR | Spring Mountain Racing
    Starts at $115,990 USD. The New SR3 XXR Sports car brings unparalleled race car technology to the fingertips of drivers around the globe.
  24. [24]
    News | Hoosiers Radical SR 3 Sports Racer slick has arrived
    The next generation of radial slicks to be offered for the unique UK-built Radical SR 3 Sports Racer has arrived with a new Tread Compound (R55A) and New ...
  25. [25]
    Our Engines - Radical Motorsport
    Features · 1340cc, DOHC 16v inline four cylinder · Chain camshaft drive with RPE tensioner · Bespoke dry-sump lubrication system · Jenvey ITB induction system.Missing: specifications | Show results with:specifications
  26. [26]
    2003 Radical SR3 Turbo - Supercars.net
    Radical's latest incarnation of their all-conquering SR3 extreme road / trackday car boasts a Powertec 1500cc Turbo engine, developed in-house, which boasts ...Missing: introduction | Show results with:introduction
  27. [27]
    Radical SR3 Gets 300-HP Ford EcoBoost Engine - Autoguide.com
    Dec 22, 2010 · The SR3 SL will feature Ford's new 2.0-liter EcoBoost engine, with some radical (get it?) tweaking, so in this application it will produce 300-hp.Missing: bhp | Show results with:bhp
  28. [28]
    Radical SR3 review | Autocar
    Rating 4.0 · Review by Matt PriorDec 13, 2013 · ... SL has a Ford 2.0-litre turbocharged motor, developing 300bhp. Why the Ford unit? It meets Euro 5 emissions regulations and is new, so it ...
  29. [29]
    Quaife Motorcycle Engined Vehicle Driveline Components
    Carrying the part number QBA3R, this transmission is used as original equipment fitment on the award-winning Radical SR3 sportscar, with over 1000 examples in ...Quaife Chain-Drive Sealed... · Quaife Universal Gear Drive...
  30. [30]
    2002 Radical SR3 1300 - Images, Specifications and Information
    The fiberglass body adds next to nothing to 495 kg dry weight. Installed in the spaceframe chassis, is a four cylinder motorcycle of various makes and sizes.
  31. [31]
    Driven: Radical SR3 SL - PistonHeads UK
    Apr 13, 2012 · That turbo elasticity and the low weight means acceleration is never a problem. With a redline at just 6,800rpm the shifts come fast with only ...Missing: bhp | Show results with:bhp
  32. [32]
    New Radical SR3 XXR Launched With More Power and Precision
    Dec 21, 2022 · SR3 models currently make up the majority of grids in the 12 Radical Cup championships around the world, with over 1,500 sold to date. Today, ...Missing: total | Show results with:total
  33. [33]
    Radical Celebrates Milestone 3000th Car Achievement
    Jan 28, 2025 · 28th January 2025: Radical Motorsport is proud to announce the production of our 3,000th race car today, our 28th anniversary.Missing: history sales
  34. [34]
    Radical Motorsport reaches 3000 race car production milestone
    Feb 3, 2025 · Radical Motorsport, the British race car manufacturer, announced the production of its 3,000th race car on the company's 28th anniversary.
  35. [35]
    Latest News - Radical Motorsport
    Many of the 14 Radical Cup championships from around the world concluded their 2025 seasons in recent weeks, but teams and competitors will be back in action ...
  36. [36]
    Radical Cup North America - Radical Motorsport
    Radical Cup North America is the continent's premier Radical championship, offering multi-class Le Mans style racing for a fraction of the price.
  37. [37]
    FOUR ROUND RADICAL CUP UK CALENDAR IN 2026
    Aug 15, 2025 · To make the series even more accessible, the entry fee has been reduced to just £1,500 per round, offering even better value for Radical ...
  38. [38]
    DW Racing Joints the Prototype Cup Grid for 2023 - Britcar
    Mar 3, 2023 · John Davis is set to pilot this fierce looking Radical SR3 RSX for 2023 – we are extremely excited to have him on the grid with us!
  39. [39]
    Race Series | Radical Motorsports
    Raw Motorsports Race Series which includes SR3 Radical Challenge Championship, Radical SR1 Cup, Fun Cup, Britcar, Revolution Prototype Cup and Historic F2 ...
  40. [40]
    Fun challenge for Hugo de Sadeleer with upcoming 25h Fun Cup ...
    ... Radical Sportscars SR1 cup and is currently competing in the UK Radical Challenge in an SR3 RSX. The fourth driver is frequent UK Radical Challenge podium ...<|control11|><|separator|>
  41. [41]
    Radical SR3 on the Race Track - DEMARAS RACING
    Sep 18, 2024 · The UK-built Radical looks like a miniature version of a Le Mans prototype, and was developed for FIA sanctioned races in C3 Class of sports ...
  42. [42]
    Radical Updates SR3, Adds RS Badge After Win At Rockingham ...
    The SR3 gets a new name to match its new-for-2009 underpinnings: the SR3 RS, named after the location of its maiden win, the UK's Rockingham Speedway.Missing: 2002 | Show results with:2002
  43. [43]
    Jackson takes brace of Radical Spa Festival wins
    Reigning Radical Challenge champion, Dominik Jackson returned to his race winning ways at Spa-Francorchamps today, with two convincing wins.
  44. [44]
    Radical wins grueling 25 Hours of Thunderhill with Turn 3 Motorsport
    Dec 8, 2019 · In doing so the 1340cc RPE-Suzuki powered Radical SR3 became the first car with an engine capacity of under 2L to clinch the outright victory.Missing: achievements records
  45. [45]
    New Radical SR3 XX wins on debut
    Aug 3, 2020 · Booth's win in Race 3 broke the 5 race winning streak of Team Stradale's Chris Kemp, who won all 3 races at Road America and Race 1 and 2 in the ...Missing: achievements records
  46. [46]
    Radical SR3 XXR obliterates Rockingham lap record to claim top ...
    Oct 13, 2023 · 1 minute 8.71 seconds, more than 5 seconds clear of the previous lap record held by the Australian Spartan supercar, and Rockingham Speedway's
  47. [47]
    Radical SR3 0 - 100 kph - FastestLaps.com
    2002 Radical SR3 accelerates from 0 to 100 kilometers per hour in 3.1 seconds. Vehicle, Radical SR3. Power / weight, 205 ps / 495 kg. Time, 3.10 s. Submitted ...Missing: XXR 3