Check the listing for details. EVANS Prep & Powersports Combo Pack EC42001, EC72064 Waterless Engine Coolant. Condition: New. Listed at 69.99 USD. EVANS Prep & Powersports Combo Pack, EC42001 Waterless Prep Fluid, 128 fl. oz, EC72064 Powersports Waterless Engine Coolant, 1/2 GallonEngineered specifically to purge the cooling system before installing new waterless coolantSeeks out old coolant and water that remain after draining existing antifreeze/water mixture from an engine, Protects cooling system metals during flush, but is not a substitute for Evans Waterless CoolantsEspecially important to use when block drains are unavailable or cannot be removed Ensures that the final water content after installing Evans Waterless Coolant meets operating limitsSpecifically designed for motocross bikes, trail bikes, Enduro bikes, street bikes, quads, ATVs, UTVs and snowmobiles, Contains no water, effectively eliminating corrosion, liner and water pump cavitation erosionUsed by race teams for years to keep their engines safe, no matter what the conditions, Minimizes the potential for corrosion and electrolysis issues, and reduces maintenance costs