STP® Fuel Additives - Clean Engine Deposits, Fuel System Treatment & Cleaners To Improve Performance & Fuel Efficiency

STP® No4 Complete Fuel System Cleaner

STP® Complete Fuel System Cleaner:


STP® No4 Complete Fuel System Cleaner

Price $ 20.22 Including Shipping

Suitable For:

Cleans and protects your entire fuel system from performance loss with just one treatment.

This STP® formulation contains the highest level of detergents of any STP® formula. It helps clean your entire fuel system to restore its optimum operating condition. The advanced formula helps clean fuel injectors, carburetors, intake valves and ports, combustion chambers, cylinder heads and piston tops. It contains jet fuel, a high-quality carrier of active ingredients.

Used regularly Helps:

Restore lost power and acceleration
Reduce hard starts and engine hesitation
Stop knock and ping

Usage Frequency:

Use every oil change or 4,000 miles.

Treat Rate:

5.25 oz. bottle treats 21 gallons


STP® Complete Fuel System Cleaner is safe for all gasoline engines.

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