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🔥 Stop on a dime, race every time! 🏁
Motul RBF 660 Factory Line Dot-4 is a 100% synthetic racing brake fluid engineered for high-performance vehicles and motorcycles. It boasts an ultra-high dry boiling point of 617°F and wet boiling point of 399°F, ensuring reliable braking under extreme heat. Its moisture-resistant formula prevents corrosion and fluid degradation, while delivering precise pedal feel for confident control. Ideal for track days and demanding conditions, this 500ml bottle offers professional-grade durability and performance.





| ASIN | B005UGKKW2 |
| Best Sellers Rank | #340,570 in Automotive ( See Top 100 in Automotive ) #100 in Brake Fluids #133 in Hydraulic Oils |
| Brand | Motul |
| Brand Name | Motul |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 584 Reviews |
| Flash Point | 325 °C |
| Global Trade Identification Number | 00182682992405, 03374650020501 |
| Included Components | Motul 101667 RBF 660 Dot-4 Racing Brake Fluid 500 mL |
| Item Form | Liquid |
| Item Type Name | Motul 101667 RBF 660 Dot-4 Racing Brake Fluid 500 mL |
| Liquid Volume | 500 ml |
| Manufacturer | Motul |
| Material | Silicone |
| Model Number | 101667 |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | FBA_847205 |
| Recommended Uses For Product | Brake oil |
| Specific Uses For Product | Racing |
| UPC | 182682992405 |
| Unit Count | 16.9 Fluid Ounces |
| Upper Temperature Rating | 328 °C |
| Warranty Description | Motul 101667 RBF 660 Dot-4 Racing Brake Fluid 500 mL |
M**L
The Best Since Slice Bread 🍞
Being the owner of 2013 F150 3.5L Ecoboost with a 2 inch suspension lift upgrade with IVD Struts, 35x12.50r18 inch tires, Rear Nitro Shock Absorbers, and etcetera. You will need the best of the best DOT 4 Brake Fluid for vehicles in the weight range of 7200 pounds. The braking power of this Motul 660 is unparalleled to the standard stock DOT 4 brake fluid from your local auto parts store, heck any standard regular brake fluid pales in comparison to Motul 660. It's not overkill by any stretch of the imagination. Pay the extra dollars for high performance brake fluid and know you're in good hands. It shines even better in the winter snow storm with icy roads. I've recently used Motul 660 in my parent's 2018 Toyota Highlander 3.5L XLE and the braking experience was night and day plus the factory stock brake fluid was at 80,500 miles of usage so believe me when I say "it was darker than night". So yeah. Enjoy 😉 Cheers 🍻
G**N
Great upgrade for brake fluid
Great quality product. I drained out and replaced the brake fluid on my 2017 R6 with the Motul RBF660 fluid. Made sure to flush front and rear lines and fill them completely with the Motul brake fluid. Temp range on the fluid is great and it gives me confidence I can brake hard and not have to worry about my fluid failing.
M**O
Been using Motul brake fluid in all my cars
Motul makes higher boiling point brake fluids (racing) and any hard driving scenarios possibly like mountain driving that can tax the rotors and calipers with excessive heat. When i replace my fluid with these, it might be in my mind but the pedal feels a little better so i do replace every time i do my brake pads. Great stuff.
M**C
the brake fluid you actually want for track days
switched to this on my bike before doing some track days and the pedal feel stayed consistent even after a lot of heavy braking late in the sessions. regular brake fluid gets spongy when it heats up and that's genuinely sketchy when you're pushing it into corners. this stuff has a way higher boiling point so you can brake hard without worrying about it fading on you.
B**G
the best for a reason
there is nothing better for your bike than this
E**S
Ultra high performance fluid!
Very good Brake fluid! Extremely high boiling point! Make sure to bleed brakes and buy at least 3 bottles. It’s pricey but well worth it especially if you heat your brake pads a lot.
N**.
Snowmobile Racing
Unlike Sport bikes, quads and dirt bikes snowmobiles weigh more and only have one caliper and rotor to stop you. This is fine for average riders but when racing these brakes build up unreal amounts of heat in a couple corners. (Will literally melt my boot to the brake guard that's right next to my foot). Even with these conditions however i feel very little brake fade even on some of the tightest sections of the tracks. While with brand new dot 4 fluid that youd buy from an auto parts store would only last maybe 3 laps on a ice oval before boiling this fluid seems to never boil. I do replace it right before every race however to avoid any boiling.
A**R
Huge improvement over stock fluid.
I purchased this fluid for my Focus ST. I regularly race my car at autocross, time attack, and some track days. I read good things about this fluid so I pulled the trigger, and I couldn't be happier. Unlike with the stock fluid, there is zero fade during 7-8/10 driving and barely and fade when driving at 10/10. Worth noting-- I also replaced the stock pads with Hawk Performance pads at the same time as the fluid. I've driven my car on track for over 10 minutes at a time with speeds nearing 120 mph and pedal feel held up. It's a bit pricey, but not unreasonable.
M**.
Awesome stuff
Absolutely amazing, no sign of brake fade under repeated use and hard driving.
J**E
Rápida entrega
El producto ha lo llevo usando tiempo y muy bien. La entraga fue más rápida de lo ir en un principio me decían.
F**O
Satisfait
Satisfait
M**.
Impressed, a repurchase !
Was very impressed with this, will be repurchasing again⭐️
V**I
Great braking fluid
Use it in both my cars
Trustpilot
1 week ago
3 weeks ago