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⛽ Clean fuel, smooth ride, zero compromises.
Red Line 60103 SI-1 is a 15-ounce concentrated fuel system cleaner designed to clean injectors, carburetors, valves, and combustion chambers while preventing corrosion and gum buildup. One bottle treats a full tank with nearly 100% cleaning efficiency, improving fuel stability and engine performance across all temperatures. Sold in a convenient 12-pack, it’s the go-to additive for professional-grade fuel system maintenance.






| ASIN | B01LRELEU2 |
| ASIN | B01LRELEU2 |
| Best Sellers Rank | #1,072,444 in Automotive ( See Top 100 in Automotive ) #221 in Fuel System Cleaners |
| Brand Name | Red Line |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 3.9 3.9 out of 5 stars (6) |
| Date First Available | December 2, 2016 |
| Item Volume | 15 Fluid Ounces |
| Item Weight | 13 Pounds |
| Manufacturer | Red Line |
| Manufacturer | Red Line |
| Number of Items | 12 |
| Product Dimensions | 10 x 12.02 x 9 inches; 13 Pounds |
| Special Features | Concentrated |
| Unit Count | 12.0 Count |
M**I
No more hesitation
Eliminated a semi-rough idle on my 1986 Mercury Grand Marquis LS. VERY easy to use: when it's time for an oil change, it's time for some Red Line Synthetic Oil Fuel Injection cleaner.
Trustpilot
3 weeks ago
3 days ago