Walmart ahs the STP High Mileage Fuel Injector & Carburetor Treatment – 2 Pack in $3.18 with free shipping.
Product Features:
- Keep fuel injectors and carburetors clean in vehicles with over 75,000 miles.
- Rduce friction.
- Prevent deposit buildup. Each 5.25 fl. oz. bottle treats up to 21 gallons of gasoline.