Series 600 DOT 4 Racing Brake Fluid (BF4)
AMSOIL Brake Fluids provide superior high-temperature performance in auto/light truck, high-performance, racing
and powersports applications
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Package sizes include:
12-oz. (case of 12)
Not available in Canada
AMSOIL Series 500 DOT 3 High-Performance Synthetic Brake Fluid and AMSOIL Series 600 DOT 4
Synthetic Racing Brake Fluid feature pure base stocks and robust additives that resist boil-off and the effects
of water contamination more effectively than conventional brake fluids. AMSOIL Synthetic Brake Fluids deliver
superior high-temperature performance in auto/light-truck, high-performance, racing and powersports
Water contaminates the brake system by seeping through microscopic pores in flexible brake lines and seals and
through the reservoir fill cap when opened. Once inside, it quickly works to corrode brake parts, lines and seals,
leading to eventual system failure. AMSOIL Synthetic Brake Fluids keep water in suspension, slowing its corroding
effects. They lubricate and protect intricate braking components despite the inevitable water absorption associated
with braking systems, delivering long-lasting performance.
The extreme pressure and high heat common to braking can push conventional brake fluid beyond its boiling point,
causing it to vaporize, or "boil-off." Even more problematic, water contamination can drop the boiling point of
conventional fluid below safe standards, accelerating the rate at which it boils off. This leads to a spongy or
unresponsive feeling in the brake pedal. In contrast, the unique chemistry behind AMSOIL Synthetic Brake Fluids
increase their boiling point temperatures well beyond Department of Transportation (DOT) standards even when
contaminated with 3 percent water (see chart). They maintain a stable viscosity over a wide temperature range and
flow easily at the high pressures generated in today's automotive brake systems to deliver consistent, safe
braking. AMSOIL Series 600 DOT 4 Synthetic Racing Brake Fluid features a wet equilibrium reflux boiling point (Wet
ERBP) nearly 100°F higher than the DOT minimum, making it ideal for high-performance cars, motorcycles and vehicles
used for towing.
*Dry equilibrium reflux boiling point (ERBP)–the boiling point of new, freshly opened brake fluid.
**Wet ERBP–the boiling point of brake fluid having absorbed 3 percent water. Only 3 percent water contamination
is often sufficient to reduce a DOT 3 fluid’s boiling point below the DOT minimum.
Typical Technical Properties
AMSOIL Series 500 DOT 3 High Performance Synthetic Brake Fluid and AMSOIL Series 600 DOT 4
Racing Synthetic Brake Fluid
|Equilibrium Reflux Boiling Point
Dry °C (°F)
Wet °C (°F)
-40°C (-40°F), cSt
100°C (212°F), cSt
The aggressive driving conditions and sudden stops common to some on- and off-road motorcycle and ATV applications
can literally boil conventional brake fluid, leaving behind a discolored, dirty solution that can promote deposit
formation and corrosion on braking components. Worn brake fluid also fails to deliver adequate protection against
water ingress common to powersports equipment exposed to the elements.
The synthetic base stocks and superior additives in AMSOIL Synthetic Brake Fluids excel in demanding powersports
applications, providing reliable brake lever and pedal response, corrosion protection and longevity as compared to
conventional brake fluids. AMSOIL Synthetic Brake Fluids are the product of choice for racing, heavy hauling or
leisure powersports applications.
Consult the AMSOIL Online Product Applications Guideat www.amsoil.com for application
information. For powersports applications, consult the owner’s manual to determine the correct DOT