Red Line RL-600 DOT 4 SYN Track/Street Brake Fluid - 500ml 6/Case

Red Line RL-600 DOT 4 SYN is a synthetic track and street brake fluid engineered for V-twin motorcycles, delivering superior thermal stability and resistance to brake fade at extreme temperatures. Exceeds DOT 4 specification with a dry boiling point of 601°F and wet boiling point of 394°F.

Features

• Maintains viscosity and lubricity at extreme temperatures
• Dry boiling point: 601°F (316°C)
• Wet boiling point: 394°F (201°C)
• Exceeds U.S. FMVSS No. 116 DOT 4 specification
• Formulated for track and street riding

Specifications

• Brand: Red Line
• Manufacturer Part #: 90404
• UPC: 83522904049
• Size: 500ml
• Package Quantity: 6 per case
• Dry Boiling Point: 601°F (316°C)
• Wet Boiling Point: 394°F (201°C)
• Dimensions (L×W×H): 6.87 in × 3.7 in × 2.2 in
• Weight: 1.33 lbs

Fitment

Fits all V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

Can I mix Red Line RL-600 with standard DOT 4 brake fluid?

Blending is possible since RL-600 meets DOT 4 spec, but mixing may compromise RL-600's exceptional performance advantages. Keep systems separate for best results.

Is this fluid safe for street and track use?

Yes — RL-600 is engineered for both track and street applications, resisting fade and vapor lock across extreme temperature ranges.

Why is the boiling point so high?

The synthetic formulation maintains viscosity and brake feel at higher temperatures than standard DOT 4, helping prevent vapor lock during hard braking or racing.

How often should I change brake fluid?

Follow your motorcycle manufacturer's service interval, typically every 2 years or annually if the fluid shows moisture contamination.

What does the 6-pack case size mean?

Each case contains six 500ml bottles — ideal for shops, fleets, or riders who perform frequent brake system maintenance.