EVANS-PREP; Evans Prep Fluid Waterless Flush
Evans Prep Fluid - 1 Gallon Evans Prep Fluid is a waterless flush designed for smaller engines or any engine that block drains cannot be removed to drain out water antifreeze trapped in the engine block. Prep Fluid is recommended for all motorcycles converting to NPG+ or NPG. Prep Fluid is not intended to be an operating coolant.