RED LINE SuperCool Coolant High-performance, ready-to-use coolant engineered for motorcycles, ATVs/UTVs, snowmobiles and liquid-cooled scooters. SuperCool delivers advanced protection and improved cooling for all makes and models, in any coolant color. Ready-to-use 50/50 pre-diluted antifreeze/coolant fortified with WaterWetter® technology—no mixing required. Superior saturation resistance: 250% better than OE coolant and 40% better than aftermarket alternatives. Improved heat transfer: reduces operating temperatures by up to 20°F for cooler-running engines and better performance. Cavitation and corrosion protection: minimizes cavitation erosion and protects cast iron, aluminum and brass cooling systems. Broad compatibility: safe for gas and diesel engines; warranty compliant for many manufacturers. Whether you're racing, trail riding or commuting, RED LINE SuperCool Coolant maximizes cooling system efficiency and durability. Ideal for high-stress applications where reliable temperature control and component protection matter most.