Fluids
🛢️ Fluid Category – High-performance engine lubrication, cooling and reliability
At STR Performance , we understand that fluids are the lifeblood of your engine and transmission. In a sports car, every mechanical component—engine, transmission, differential, brakes—operates at much higher speeds and temperatures than in standard use. Therefore, it's essential to use high-performance fluids that can protect, cool, and stabilize your mechanical components in the most extreme conditions.
Our Fluid category includes all the lubricants, liquids and additives needed to maintain the reliability of your preparation, whether it is used on the road, track, drift, run or competition.
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🔧 Our fluid subcategories in detail:
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🛠️ High-performance engine oil
It is the engine's vital fluid. A high-performance engine oil allows:
• Optimal lubrication hot and cold
• Extreme temperature resistance (up to 140°C and above in track use)
• Reducing friction to preserve performance
We offer oils:
• 100% synthetic, in grades 5W30, 5W40, 10W60, etc.
• Formulated for naturally aspirated or turbocharged, gasoline or diesel engines
• Recommended for reprogrammed or supercharged cars
SEO keywords: sports engine oil, 100% synthetic engine oil, track engine lubricant, reinforced turbo engine oil
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⚙️ Gearbox oil and differential oil
Often neglected, lubrication of the gearbox and differential is nevertheless essential for the reliability of the transmission, especially with a reinforced clutch, an LSD, or a short gearbox.
Benefits :
• Less internal friction, therefore more mechanical efficiency
• Better resistance to high temperatures
• Protection of synchros, pinions, bearings
We offer:
• GL4 / GL5 oils
• Specific formulations for manual transmission, self-locking differential, 4x4
SEO keywords: sports gearbox oil, LSD differential oil, performance transmission fluid, heavy-duty gearbox lubricant
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🛑 High temperature brake fluid
In sporty driving or on the track, conventional brake fluids quickly heat up, causing dangerous fading (soft pedal).
Our racing brake fluids offer:
• High dry and wet boiling point (DOT 4 / DOT 5.1)
• Optimal chemical stability
• Compatibility with all high-performance braking systems
SEO Keywords: DOT 5.1 brake fluid, racing brake fluid, high temperature brake fluid, competition braking
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❄️ High performance coolant
Our coolants are formulated to:
• Resist high temperatures
• Prevent corrosion of engine components
• Provide excellent heat dissipation under heavy use
Ideal as a complement to a performance radiator, a sports thermostat or a reinforced cooling kit.
SEO keywords: competition coolant, high temperature engine fluid, performance antifreeze, sports car cooling
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🧪 Engine and transmission additives
We offer a selection of high-performance additives for:
• Strengthen engine protection
• Clean internal circuits (oil, gasoline)
• Reduce wear, friction or consumption
• Improve gear changes or differential behavior
Can be used as a preventative or curative treatment, compatible with engine or gearbox oils.
SEO keywords: engine oil additive, sports injector cleaner, gearbox protector, LSD differential additive
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🔄 Power steering fluid and hydraulic fluid
Good steering or hydraulic (clutch) fluid is essential to maintain system precision, reliability and endurance.
Our fluids are designed for:
• Preserve seals and hydraulic components
• Resist high temperatures
• Reduce noise and hydraulic losses
SEO keywords: sport power steering fluid, clutch hydraulic fluid, performance power steering oil, track steering
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🚗 Vehicle compatibility
Our fluids are compatible with a wide range of sports and tuned cars:
Volkswagen Golf GTI / R, Audi S3 / RS3, BMW M, Renault Sport, Ford Focus RS/ST, Honda Civic Type R, Peugeot 208 GTI, Nissan 350Z / 370Z, Toyota Supra / GR Yaris, and many more.
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✅ Why choose STR Performance for your fluids?
• 🧪 Products tested in extreme conditions (trackdays, drift, circuit)
• 🛢️ Lubricants & liquids from well-known brands (Motul, Castrol, Red Line, Millers Oils, etc.)
• ⚙️ Guaranteed compatibility for turbo engines, reinforced gearboxes, LSD differentials
• 🚚 Stock in France, fast delivery
• 🧠 Technical support on the choice of your fluids according to your use
You will find Motul 300V, competition and Motul Historique oil.
We resell Motul 300v, but also Castrol, Shell and others.
Do not hesitate to contact our hotline service for guidance if you have any doubts about the correct fluid for your vehicle.