The Cleen Plan Cleaners Professional Ultra Cleen Cleaner for the Ultra Kit System Ultra Cleen is the most efficient Fuel Injector Cleaner on the market. Lubricating non-corrosive formula helps restore power and performance Helps clean combustion chamber, intake and exhaust valves New Tri-lingual Label Pro Cleen Fuel Injection Aerosol Cleaner for the Pro Kit System Pro Cleen is a safe, effective fuel injector cleaner Includes intake valve cleaner additive  CFC free, oxygen sensor and catalytic converter safe New Tri-lingual Label Cleen Fuel Injection Pour-in-the-Tank Additive with Omniclean The only fuel injection additive from a manufacturer of fuel injectors Quick and easy to use Motorists pour a bottle of Cleen into a full tank every 5,000 miles to maintain clean injectors between professional cleanings Improves fuel economy and restores power, easier starting and smoother idling and extends engine life Visit our Resource Library for available downloads Back to Cleen Plan