Red Line Complete Fuel System Cleaner & Treatment (60103 SI-1) – 15 Oz | 2 Pack

This 15-ounce fuel system cleaner delivers a powerful combination of detergents and synthetic lubricants to cleanse and protect fuel injectors, carburetors, valves, and combustion chambers. It supports all fuel injector types, including direct-injection systems, while enhancing fuel stability and preventing gum and varnish buildup. One treatment offers near-complete cleaning in a single tank, and can reduce octane requirements by up to two points. The formula also aids upper-cylinder lubrication and keeps emissions components clean—making it safe for continued use with oxygenated fuels.

• 🧽 Deep Cleansing Action – Powerful blend of high- and low-temperature detergents cleans injectors, carburetors, valves, and combustion chambers.
• ⛽ Universal Injector Compatibility – Works with all types of fuel injectors, including GDI systems.
• 🔧 Enhanced Fuel Stability – Reduces gum and varnish buildup, protects fuel systems.
• 🕒 One-Tank Efficiency – One bottle treats a full tank, cleaning to nearly 100% in a single application.
• 🛡️ Octane Support & Upper-Lube – Lowers octane needs by up to two points and adds synthetic upper-cylinder lubrication.
• 🌍 Emission System Safe – Cleans pollution-control valves, compatible with oxygenated fuels and safe for regular use.