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AP Radi-CAL R1 Racing Brake Fluid

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Formerly branded as AP 551.

AP Radi-CAL R1 racing brake fluid (formerly AP 550 / AP 551) exceeds DOT 3 specifications. To ensure that the fluid stays fresh during shipment, AP brake fluids are furnished in 1/2 liter (16.9 oz), easy-pour plastic bottles with double-sealed caps. It is compatible with all other DOT 3, DOT 4, or DOT 5.1 brake fluids and will not harm magnesium components.

AP Radi-CAL R1 Specifications:
DOT Rating - 3
Dry Boiling Point - 516° F
Wet Boiling Point - 284° F*
Compatible with other fluids - Yes
Container - 16.9 fluid ounce (500ml) plastic bottle
Compatible with magnesium components

* AP 550 / AP 551 was 304° F wet

Note: Due to import restrictions, we are not able to ship this product to Mexico.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.

3305-17 OZ
Condition: New

AP 551 Racing Brake Fluid - 16.9 oz. bottle

1 to 19: $17.99

20 to 79: $17.41

80 & up: $16.82

In Stock
Related Product Groups
Racing Brake Fluid

Great Product


Use product for racing


Naperville, IL


Excellent material


Pegasus tech and sales support does a terrific job!


Uniontown OH


AP 551 in an FC


Spills are kind to paints & metals. Never any pedal fade in the heat of Florida, especially Sebring short course - which tends to be a very hard braking/frequent braking track with no long straights that allow system cooling.


Orlando, Fl.


AP Radi-CAL R1 Racing Brake Fluid

4.7 3