This product offers unprecedented value with concentration to treat larger fuel volumes at a lower cost.

SI-1 cleans injectors, carburetors, valve and combustion chamber deposits with a concentrated blend of the most powerful high-temp and low-temp detergents available.

• Cleans to nearly 100% efficiency in one treatment
• Reduces need for octane by up to two points
• Contains synthetic upper cylinder lubricant
• Cleans pollution control valves
• Use one bottle per tank for most effective treatment of neglected vehicle
• Also use in smaller doses for maintenance as one bottle treats up to 100 gallons
• Safe for continual use
• Same chemistry is also available in 4oz dosage as Complete Fuel System Cleaner for Motorcycles