Rislone 4747-12Pk Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack , Yellow

Rislone Hy-Per Fuel Super Concentrated Octane Booster Increases Octane Rating To Stop Engine Hesitation And Knock & Ping, While Also Increasing Power & Performance. Street Legal Formula Works Equally Well On Classic Muscle Cars, Newer Smaller Harder Working Engines, Off Road And Racing Applications. Increased Octane Allows The Engine To Run Optimum Spark Timing Which Not Only Creates More Power, But In Many Engines Reduces Emissions And Increases Fuel Mileage.