Rainer Suvi
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SUKE G54
SUKE G54 designs and manufactures premium-tier motorsport components, combining race engineering, extensive industry expertise, and direct feedback from master-class drivers.
The company’s CEO, Rainer Suvi (Suvi Performance), brings 20 years of manufacturing experience from both Estonia and Sweden, alongside unique expertise gained at Toyota Gazoo Racing building WRC Rally1 cars. This elite-level rallying background has established a robust international network spanning the Baltics and Scandinavia. The rest of the management team also contributes years of deep industrial experience, ranging from precision fabrication and toolmaking to helium plant maintenance.
Martin Käsner
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Heiki Käsner
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Katrin Suvi
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Our Partners and Clients
Karl Martin Volver
Karl Martin Volver is a top-tier motorsport athlete whose strength lies not only in high-speed driving but also in his deep engineering knowledge. Whether it’s a Toyota Yaris Rally2, a Škoda Fabia, a crosskart, or literally a barn door, Karl Martin has the knack for making it fast. His ability to sense a car’s behavior down to the smallest detail and provide precise technical feedback makes him an invaluable partner for our product development team.
- An Engineering-Minded Test Pilot: Thanks to his technical background and acute sensory awareness, Karl Martin doesn’t just report what is happening on the track. He actively contributes to developing new solutions. His insights have helped us refine fine details and elevate our products to a whole new level.
- Top-Tier Rally Achievements: Karl Martin secured the 2026 Estonian Rally Championship title. His international pace was fully proven at Rally Estonia, where he clinched a strong 7th place in the highly competitive WRC2 class, while finishing as the third-best Estonian driver overall.
- Crosskart Versatility: In addition to rallying, he actively competes in crosskarts, taming the high-performance XC TN11 machine for the 2026 season.
Our shared journey has grown out of multiple distinct projects where we have pushed boundaries together. To us, Karl Martin is far more than just a sponsored athlete—he is a strategic co-thinker with whom we develop motorsport components built to perform and endure at the very highest level of competition.
JUGA MOTORSPORT
Founded by Virko Juga, the motorsport team JUGA MOTORSPORT (JUGARACING) possesses elite-level expertise in race car maintenance, event preparation, and racing itself. The team’s top driver, Martin Juga, consistently clinches podium finishes in the FIA European Rallycross Championship, turning their trackside experience and insights into pure gold.
This hands-on, practical expertise is exactly what makes the collaboration between SUKE G54 and JUGA exceptionally fruitful. In partnership with JUGA MOTORSPORT, SUKE G54 has developed specialized spare parts for Speedcar Wonder (R) crosskarts. Their proposals, observations, and rigorous testing directly on the race tracks ensure that our engineered components meet the highest standards and endure the most extreme conditions.
We are proud to share that beyond joint product development, JUGA MOTORSPORT is also an official distributor of our products. This means that when purchasing crosskart components, you receive more than just engineering excellence—you also gain the team’s direct support, professional advice, and years of competitive racing experience.
Kevin Alain Postec
Kevin Postec is a former Chief Engineer for the Toyota Gazoo Racing WRC department, having also brought his expertise to M-Sport, KTM, and Öhlins. Together with Rainer Suvi, Kevin co-founded SP Dynamic, a company specializing in crosskart development, for which SUKE G54 provides vital prototyping and manufacturing support.
As an engineer at the absolute pinnacle of his field globally, Kevin is a pivotal asset to our team—bringing elite know-how that can only be sourced directly from the top tier of world motorsport.
His impressive portfolio includes the development of the Toyota Hilux Dakar machine alongside the all-new Project Rally One WRC1 car, set to debut in the 2027 WRC series. What truly sets Kevin apart is his commitment to continuous learning—constantly re-evaluating established engineering paradigms in the light of fresh knowledge and cutting-edge innovations.
Oldbac KALANA
The Oldbac KALANA needs no introduction in Estonia. This one-of-a-kind machine—Estonia’s first and only hypercar—is the undisputed, long-standing record holder at the Porsche Ring track in Pärnu.
Our team has done its part to ensure that the vehicle’s roll cage and control arms are fabricated to absolute perfection. When driving at the extreme speeds and high G-forces that the Oldbac KALANA is capable of, safety must always be priority number one.
Suvi Performance
Over its nearly 15-year history, Suvi Performance has developed and manufactured countless hydraulic handbrakes, pedal boxes, and gear shifter systems.
These meticulously engineered and thoroughly tested solutions are built to endure the harshest conditions. Utilizing only the highest quality materials, our products are robust, completely play-free, and ergonomically designed to ensure comfortable operation—even for drivers with larger hands or feet. SUKE G54 provides vital manufacturing support for these premium products.
Project Rally One
Every day, we prove that great things stem from pure dedication, not company size. SUKE G54 is immensely proud to be a development partner for Project Rally One—a privateer WRC1 team debuting in 2027 that is set to bring a completely fresh perspective to the World Rally Championship.
Our contribution to this historic project involves consulting on and manufacturing control systems for this next-generation rally car. Having a boutique Estonian company involved in shaping the pinnacle of global motorsport is a true testament to our team’s absolute precision and technical ingenuity. If our systems can withstand the brutal demands of WRC, you can be certain that we bring the exact same uncompromising quality and meticulous care to every single project we touch.