Superior Cooling: Effectively dissipates heat, preventing motor overheating during high-performance use. Wide Compatibility: Fits popular models like Slash 4x4, Stampede 4x4, Rustler 4x4, and Hoss 4x4, as well as Arrma 1/10 and 1/8 scales, such as the Senton, Granite, Big Rock, Typhon, and Vorteks (Mega, BLX, and 3S variations). Additionally, This fan will fit if your can size is the following: 540 motor cans (36mm diameter), 550 motor cans (36-38mm diameter), 1/8 scale motors (40-42mm diameter) Durable Design: Engineered with high-quality materials to withstand rigorous use and extreme driving conditions. Spins at roughly 15K RPM's. Easy Installation: Comes with mounting hardware and features a plug-and-play design for quick and simple setup. Sleek Black Finish: Offers efficient performance with a clean, modern look that complements any RC setup. Ensure your RC vehicle performs at its best with Cobra Racing’s High-Performance Black Motor Cooling Fan. Designed to prevent overheating during demanding runs, this fan provides efficient cooling for motors, extending their lifespan and maintaining consistent performance. Compatible with a wide range of 1/10 and 1/8 RC models, including popular 4x4 vehicles, this cooling fan is an essential upgrade for enthusiasts who demand reliability and power. With a sleek black design and universal compatibility, it’s the perfect addition to keep your motor running cooler and longer.