Check the listing for details. Klotz KL-628 Higher Octane Booster 1 Gallon Container. Condition: New. Listed at 63.35 USD. Klotz KL-628 Fast Shipping! This listing is for 1 Gallon Of Klotz Higher Octane Booster HIGHER OCTANE BOOSTERIncreases fuel mileageRaises pump octane 10 numbers & higherTetraethyl lead substitute for added lubricityCleans injectors, carburetors, and catalytic convertersCatalytic converter and O2 sensor safeNo MTBEAbsorbs moisture in the fuel systemPreserves gasoline up to 16 monthsImproves throttle response and accelerationUSE WITH CAUTION: Will discolor paint, plastic, and fiberglass. Use proper protective gear to protect the user's skin and any nearby painted surfacesNot for sale or use in the state of California SPECIFICATIONSPRODUCT TYPE: Power AdditiveRECOMMENDED APPLICATIONS: 2 and 4-stroke enginesBLENDS WITH: Gasoline or ethanol enriched fuelsPART#: 6 oz - KL-626 Pint - KL-602 Gallon - KL-628DIRECTIONS: Protect painted surfaces, wash off immediately with water to prevent damage. Will discolor paint, plastic, and fiberglass. Octane Booster: 1 oz. of Octane Booster per gallon of gasoline will raise octane by 2 1/2 numbers. Gasoline Stabilizer: Preserves gasoline during storage. Add 1 oz. of Octane Booster per gallon of gasoline for 6 to 8 months, or 2 oz. per gallon of gasoline for 12 to 16 months.Fuel System Cleaner: Add 16 oz. of Octane Booster to the gas tank, treats up to 20 gallons of gasoline. Note: If the Item is out of stock please add this to your watch list.You will the be notified when the Item is Restocked.