RAVENOL R340+ Racing Brake Fluid is an ultra-high-performance brake fluid developed specifically for competitive motorsport, where absolute thermal stability, pedal consistency, and resistance to vapour lock are non-negotiable. Sitting at the very top of the DOT 4 specification, R340+ is designed for extreme braking temperatures seen in circuit racing, endurance events, and international rallying.
Formulated using a high-end boric acid ester and glycol ether base, R340+ delivers an exceptional 342°C dry boiling point and a minimum 210°C wet boiling point (WERBP). This ensures outstanding resistance to pedal fade and fluid compressibility, even under sustained, repeated heavy braking where conventional brake fluids quickly fail.
The advanced additive package not only enhances heat resilience but also improves lubricity within the braking system, helping protect seals, pistons, and moving components under extreme mechanical and thermal loads. The result is a consistently firm, confidence-inspiring pedal with maximum responsiveness for the driver.
Originally developed for use by leading race and rally teams — including 24-hour endurance racing — R340+ offers the kind of braking stability required when brakes are pushed beyond their limits, including in high-ambient or tropical conditions.
Why R340+ Is Built for Extreme Use
- Designed for professional and amateur motorsport
- Outstanding resistance to vapour lock and pedal fade
- Extremely low compressibility for precise pedal feel
- Maintains stability under prolonged, high-temperature braking
- Compatible with modern ABS systems despite its motorsport focus
While R340+ meets DOT 4 requirements and can be used on the road, it is best suited to drivers who genuinely generate extreme brake temperatures and are comfortable with a more frequent fluid service interval compared to fast-road-focused fluids.
Key Features
- Exceptional 342°C dry boiling point for maximum fade resistance
- 210°C minimum wet boiling point (WERBP)
- High-end formulation based on boric acid esters and glycol ethers
- Extremely low compressibility for consistent pedal response
- Excellent thermal, chemical, and mechanical stability
- Neutral behaviour towards seals, plastics, and brake components
- Low viscosity characteristics with strong ABS compatibility
- Developed for the most demanding racing environments
Ideal For
- Circuit racing and track cars
- Endurance racing (including 24H events)
- Rally and tarmac competition use
- High-power vehicles with severe brake heat load
- Drivers requiring maximum braking stability under extreme conditions
Application Notes
- For best performance, the braking system should be freshly filled before each race event
- Not suitable for systems requiring mineral-based (LHM) brake fluid
- Not recommended for components made from magnesium or high-magnesium alloys
- Do not mix with other brake fluids
- Due to its motorsport focus, more frequent fluid changes are recommended compared to fast-road fluids
Specifications & Approvals
- FMVSS 116 DOT 4
- ISO 4925-4
- SAE J1704
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