ValvTect X-Tended Protection + Rapid Clean-Up (GATC) is specially formulated to quickly clean-up gum, varnish, gunk and all types of fuel deposits (ethanol and non-ethanol) in gasoline engines. XP+ Rapid Clean-Up targets and cleans carburetors, fuel injectors, fuel pumps, regulators, and fuel lines. A clean engine using XP+ Rapid Clean-Up can improve fuel economy, restore engine power, help eliminate rough idle and hesitation and more.