FUELMASTER FX ADDITIVE - 6-PACK
FUELMASTER FX ADDITIVE 6-PACK Includes one 1-1/2-oz. bottle oil supplement and five 1-1/2-oz. bottles fuel supplement One bottle of concentrated oil additive lasts for 5000+ miles in a car engine. One bottle of fuel additive provides results for about 2000 miles. Limited lifetime warranty.