Availability

- In Stock Items. Ships Today. (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (7) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Fuel Delivery Type
- Fuel injection (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Fuel System Additive Type
- Cetane boost (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Cetane boost/Fuel system cleaner (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Scent
- Unscented (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Gallons of Fuel Treated
- 62 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Oxygen Sensor Safe
- No (4)
- Yes (3)
Volume
- 16.00 oz. (6) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 5.00 gallons (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Quantity
Price Range

Fuel System Additives

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives,...

When you’re a project car enthusiast, nothing remains stock…not even the fuel! With Summit Racing Equipment’s huge selection of fuel system additives, you can safely clean your fuel injectors with fuel system cleaners, stabilize your fuel for storage, boost your octane or cetane levels with an octane booster or a cetane booster, or even change nitromethane fumes into something smelling more pleasant.

Top Brands

Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out....

Top Brands

Gasoline, diesel fuel, ethanol, nitromethane—no matter what powers your project car or truck, Summit has all the fuel system additive brand names to make it run better from the inside out. Shop from trusted brands like Red Line, Sta-Bil, Driven Racing Oils, VP Racing, Lucas Oil, Hot Shot’s Secret, Royal Purple, Sea Foam, Motorcraft, and many more.