Five Brake Fluid by Wilwood®. Quantity: 24 per Case, Volume: 12 oz. Wilwood FIVE is a highly refined silicone brake fluid, formulated to preserve the looks and reliability on classic vehicles and show cars. Its non-hygroscopic blend blocks moisture absorption to inhibit internal system corrosion. It is paint friendly and will not harm most custom finishes should a spill or leak occur.
- Superior lubrication for all Brake system
- Maximum protection
- Made in USA
Wilwood FIVE provides superior lubrication for all brake system wear surfaces with long life from the master cylinder and caliper pistons, bores, and seals. It is a fully DOT 5 compliant fluid meeting or exceeding FMVSS 116 and MIL-PRF-46176B-DOT specifications, and can be used in any vehicle that is OE specified for DOT 5 use. Wilwood does not recommend using DOT 5 fluid in any racing applications.
Due to the extreme operating temperatures of a high performance brake system, standard off-the-shelf brake fluids are not recommended. Of critical importance in determining a fluids ability to handle high temperature applications is the Dry Boiling Point and compressibility. The Dry Boiling Point is the temperature at which a brake fluid will boil in its virgin non-contaminated state. The highest temperature Dry Boiling Point available in a DOT 3 fluid is 572 degrees F.The Wet Boiling Point is the temperature a brake fluid will boil after it has been fully saturated with moisture. The DOT 3 requirement for wet boiling point is a minimum temperature of 284 degrees F.There are many ways for moisture to enter your brake system. Condensation from regular use, washing the vehicle and humidity are the most common, with little hope of prevention. Glycol based DOT 3 & 4 fluids are hygroscopic; they absorb brake system moisture, and over time the boiling point is gradually reduced. Wilwood does not recommend using DOT 5 fluid in any racing applications.
DOT 5 fluid is not hygroscopic, so as moisture enters the system, it is not absorbed by the fluid, and results in beads of moisture moving through the brake line, collecting in the calipers. It is not uncommon to have caliper temperatures exceed 200 degrees F, and at 212 degrees F, this collected moisture will boil causing vapor lock and system failure. Additionally, DOT 5 fluid is highly compressible due to aeration and foaming under normal braking conditions, providing a spongy brake feel. Whenever you add fresh fluid to your existing system (never mix fluids of different DOT classifications), it immediately becomes contaminated, lowering the boiling point of the new fluid. For maximum performance, start with the highest Dry Boiling Point available (try Wilwood Hi-Temp 570 Racing Brake Fluid), flush the system completely, and flush it regularly, especially after severe temperatures have been experienced.250.21Brand: Wilwood Part Number: 290-11083
Wilwood Engineering designs and manufactures high-performance disc brake systems. Since founding in 1977, Wilwood has developed a substantial matrix of brake components and engineering techniques that allow us to quickly and reliably create brake systems for almost any application. Their core ability is the rapid development of custom engineered brake systems using a combination of off-the-shelf and custom components. In addition to designing and manufacturing brakes for all types of competitive motor sports, Wilwood also manufactures brake systems and components for agricultural equipment, industrial applications, utility vehicles, snowmobiles, quads, motorcycles and military vehicles.
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