ABRO Octane Booster is a highly concentrated octane enhancer and increases the octane number of unleaded gasolines. ABRO Octane Booster eliminates pinging and improves overall power. 

OB-506 uses: Unleaded gasoline.

OB-506 Features: Increases octane. Will not harm oxygen sensors or catalytic converters. Stops pinging and knocking. Reduces dieseling. Improves mileage.

OB-506 Directions:

Add entire contents to a full gas tank. Treats up to be 80 litres.

Do not use in 2-cycle engines.

354 ml.