Cleans and Protects Entire Fuel System. Maximum concentrated STP formulation helps clean entire fuel system to restore its optimum operating condition. Advanced formula helps clean fuel injectors, carburetors, intake valves and ports, combustion chambers, cylinder heads and piston tops. This product is made with Jet fuel, a high-quality carrier of active ingredients. This product is safe for all gasoline engines. One treatment cleans entire fuel system to help:

• Restore lost power and acceleration
• Reduce hard starts and engine hesitation
• Stop knock and ping
• Use Twice a Year