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AO Racing, a prominent team in the IMSA WeatherTech SportsCar Championship, has partnered with Halo By Orthene, a leading brake fluid manufacturer, for the 2025 season. This collaboration has already proven its worth, as AO Racing clinched a historic win in the GTD PRO category at the Twelve Hours of Sebring, utilizing Halo’s advanced Halo P1 brake fluid.
Key Highlights:
- AO Racing teams up with Halo By Orthene for the 2025 IMSA season.
- Partnership kicks off with a victory at the Twelve Hours of Sebring.
- Halo P1 brake fluid powers AO Racing’s winning Porsche 911 GT3 Rawr.
- Team leads 82 of 329 laps, securing their first Sebring triumph.
- Halo P1 offers a top dry boiling point of 341°C (646°F).

Established in 2022, AO Racing has rapidly risen in the sports car racing scene, competing in IMSA and endurance events. At Sebring, their Porsche 911 GT3 Rawr, nicknamed “Rexy,” showcased remarkable performance, claiming the team’s inaugural victory at the renowned Florida track. Equipped with Halo P1, the car excelled in the demanding 12-hour race.
AO Racing also runs an LMP2 car, “Spike the Dragon,” which benefits from the same high-performance brake fluid. This partnership reflects both organizations’ dedication to innovation and excellence in motorsport.
Gunnar Jeannette, AO Racing’s Team Principal, stated: “With modern racing regulations limiting competitive edges, brake fluid is a key area for improvement. Partnering with Halo By Orthene provides our drivers with exceptional braking consistency.”
Halo By Orthene, part of Orthene Chemicals Ltd. since the 1970s, has a rich history of brake fluid advancements. Halo P1, designed for motorsport, delivers superior reliability under extreme conditions. Lloyd Ker, CEO of Halo By Orthene, commented: “AO Racing’s Sebring success highlights their talent and aligns with our innovative approach. We’re excited to support their 2025 season.”
This alliance sets the stage for a strong 2025 IMSA campaign. For more details, visit www.halobyorthene.com.
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