The AP Racing PRF 660 brake fluid has been re-branded as Radi-CAL™ R3 – Silver Bottle with Yellow cap. The AP Racing R3 brake fluid has been developed for use in high-temperature racing conditions. AP Racing APR3 Meets DOT4 specification. You need to drain the system of existing fluid before using this fluid. The dry boiling point is 325°C and the wet boiling point is 204°C.
- 325°C Dry Boiling Point (new)
- 204°C Wet Boiling Point (3.7% water content)
- ABS / ESP compatible
- Not Dot 3 / Dot 4 compatible. The system should be thoroughly purged with new R3 and can be filled completely with new R3.