A cleaner engine has never been this easy! Use our Pour + Spray combination for a complete cleaning of the most critical upper engine areas! Sea Foam Motor Treatment added to fuel works to clean fuel injectors, while Sea Foam Spray applied through your engine's air intake cleans harmful deposits from intake valves and combustion chamber areas. Especially important for modern GDI engines. Easy to follow instructions are in the package. Help your engine run cleaner and last longer! 24 oz