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Keep your high-mileage engine running like new
Specially formulated for engines with over 75,000 miles, STP High Mileage Fuel Injector & Carburetor Treatment helps clean fuel injectors and carburetors to restore proper fuel flow, improve throttle response, and boost overall engine performance. This advanced formula dissolves harmful deposits, reduces fuel consumption, and lowers emissions—without requiring costly repairs.
Ideal for older or heavily used vehicles, it’s a smart way to extend engine life and restore power.
Cleans fuel injectors and carburetors
Improves engine response and fuel efficiency
Helps reduce emissions and engine hesitation
Designed for vehicles with over 75,000 miles
Safe for use in all gasoline engines, including older models
5.25 oz (155 ml) bottle
Treats up to 21 gallons (80 liters) of gasoline
🛒 Add to cart and give your engine a second wind!
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
US$40
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