RBF 660 Factory Line Brake Fluid - 500ml

Racing Brake Fluid – 100% Synthetic High-Performance Formula (500 mL)

Extreme Heat Resistance for Racing & High-Performance Motorcycles

The DOT 4 Racing Brake Fluid is engineered for riders who demand peak performance and uncompromising safety under extreme braking conditions. This 100% synthetic, polyglycol-based fluid is designed for racing and high-performance applications where standard fluids simply can’t keep up. With an exceptionally high dry boiling point of 617°F (325°C) and wet boiling point of 400°F (204°C), this fluid provides consistent, fade-free braking for the most aggressive street, track, and off-road riders.

Key Features

• 100% synthetic formula developed exclusively for racing and high-performance motorcycles

• Extremely high boiling points: 617°F dry / 400°F wet — far beyond standard DOT 4 requirements

• Superior fade resistance ensures consistent braking under repeated heavy use

• Polyglycol base provides excellent lubrication and seal compatibility

• Meets or exceeds FMVSS 116 DOT 4 and SAE J1703 standards

• Ideal for Harley-Davidson, UTV, and racing applications requiring maximum performance

• Available in 500 mL bottles for convenient shop or race use

Performance & Fitment

The DOT 4 Racing Brake Fluid delivers elite-level braking performance for Harley-Davidson performance baggers, touring bikes, UTVs, and off-road race machines. Whether you’re pushing your limits at the track or descending technical mountain roads, this high-temp fluid maintains consistent lever feel and stopping power. Perfect for Nowaskey Performance builds and Hofmann Designs equipped motorcycles, this brake fluid ensures reliability and control when precision matters most.

Container Size: 16.9 US fl oz / 500 mL
Type: DOT 4 Racing Brake Fluid
Base Material: 100% Synthetic Polyglycol
Boiling Point (Dry/Wet): 617°F / 400°F
Meets or Exceeds: FMVSS 116 DOT 4 / SAE J1703
Units: Each
Weight: 1.3 lbs
Dimensions (L x W x H): 7.14" x 3.59" x 1.81"