STP 3-Pack Gasoline Engine & Fuel Additives - Fuel System Cleaner, Gas Treatment, & Octane Booster for Better Engine Performance

STP Complete Engine Care Kit With STP Gas Treatment (5.25 fl oz), STP Ultra 5-in-1 Fuel System Cleaner (12 fl oz), and STP Octane Booster (5.25 fl oz), 3 Pack of Essential Fuel Additives

Keep your engine running smoothly with the STP Complete Engine Care Kit. This complete set of fuel treatment products contains one 5.25 fl oz bottle of STP Gas Treatment, one 12 fl oz bottle of STP Ultra 5-in-1 Fuel System Cleaner, and one 5.25 fl oz bottle of STP Octane Booster. Each fuel additive is designed to prevent specific engine issues and help improve engine performance. Use STP Gas Treatment regularly when you fill up your tank to improve the quality of gasoline and help maintain fuel efficiency. This fuel cleaner prevents the buildup of harmful carbon, gum, and varnish deposits that can accumulate over time, affecting engine performance. Use STP Ultra 5-in-1 Fuel System Cleaner every 4,000 miles to deep clean the entire fuel system and remove existing deposits with just one treatment. This engine cleaner features a proprietary PEA blend that contains 3X the cleaning agents vs. premium gas. Using this engine treatment reduces friction and fights corrosion, helping you save gasoline. To reduce the need for high-octane fuel and restore engine power, use STP Octane Booster before or after filling up your tank. Formulated with MMT + Synthetic Technology, this gas additive boosts the level of octane in your fuel and cleans the fuel intake system to help restore lost performance, reduce knocking and pinging, and improve acceleration. Do more for your engine with the STP Complete Engine Care Kit. For over 70 years, and for more miles than anyone can count, STP has been one of the most trusted names in automotive care.