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Brake Fluid AP Racing R1


  • Reference: APRAR1
  • Availability: Delivery within 8-10 working days



APRacing Radi-CAL™ R1 Brake Fluid - CP7551


Engineered for demanding motorsport applications, the APRacing Radi-CAL™ R1 Brake Fluid delivers consistent braking performance under extreme temperatures and high-pressure conditions. Formerly known as CP551, this advanced racing brake and clutch fluid is specially formulated for competition use while remaining compatible with magnesium components commonly found in high-performance braking systems.


With an impressive dry boiling point of 269°C, Radi-CAL™ R1 helps reduce the risk of brake fade during aggressive driving, track days, rally stages, and endurance racing. Its FMVSS 116 DOT3 conformity ensures reliable hydraulic performance for professional and enthusiast motorsport applications alike.


Key Features

High-performance brake and clutch fluid for motorsport use

Rebranded from the proven CP551 formula

Magnesium compatible

Excellent resistance to brake fade under extreme temperatures

Suitable for racing, track day, rally, and competition vehicles

Conforms to FMVSS 116 DOT3 specification

Technical Specifications

Product Name: Radi-CAL™ R1

Part Number: CP7551

Dry Boiling Point: 269°C

Wet E.R. Boiling Point: 140°C

Specification: FMVSS 116 DOT3


Ideal for drivers and teams seeking dependable braking performance where every degree matters.


500ml bottle