- 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
- 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
- Use one bottle per tank for most effective treatment, cleans to nearly 100% efficiency in one treatment.
Oil & Filters
SI-1® Fuel System Cleaner – 15 US fl oz.
$17.57
SI-1® Fuel System Cleaner – 15 US fl oz.





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