Attention Red Line Oil customers: Please be advised that we are not accepting walk-in customers at our Benicia office at this time due to COVID-19. You may place an order at redlineoil.com or call us at (707) 745-6100. All orders will be shipped to your requested address at our standard shipping rate. We apologize for the inconvenience and hope to open our doors again to you in the near future. Thank you for supporting Red Line Oil, we appreciate your business.

 
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SI-1® Complete Fuel System Cleaner

SI-1® Complete Fuel System Cleaner

World's best fuel cleaner? Many say so. We say try for yourself and see.

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SI-1® Complete Fuel System Cleaner

  • Cleans injectors, carburetors, valve and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available
  • Cleans all forms of fuel injectors, including GDI
  • Enhances fuel stability; reduces gum and varnish formation
  • Use one bottle per tank for most effective treatment, cleans to nearly 100% efficiency in one treatment
  • Reduces need for octane by up to two points
  • Contains synthetic upper cylinder lubricant
  • Cleans pollution control valves
  • Suitable for use with oxygenated fuel
  • Safe for continual use
  • Same chemistry is also available in 4oz dosage as Complete Fuel System Cleaner - Powersports
$11.95
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These products offer unprecedented value with concentration to treat larger fuel volumes at a lower cost

Available Sizes

15oz 60103
5 Gallon* 60106

*Only available from our dealers