12 oz. Marine Engine Combustion Cleaner | Sierra 18-9580-3
Improves engine efficiency & removes internal carbon deposits from marine engines.
- Sierra combustion cleaner fuel additive
- Dissolves gum and varnish build up in fuel system
- Frees sticky piston rings
- Displaces moisture in fuel
- Can be used as a fuel stabilizer for winter storage
- For use in both 2-cycle & 4-stroke marine engines
- Mix 1 to 2 ounces to every one gallon of gasoline
- 12 ounce bottle
