Description Heat and friction silently steal power from your engine. The scientists from LSI Institute have uncovered a powerful lubricity agent, Hot Shot's Secret FR3 oil additive. One treatment of FR3 to your oil and your engine will run cooler and have increased towing power. Negatively charged synthetic ester tenaciously attaches to all internal parts completely lubricating your engine. It is recommended for all gas and diesel engines.PRODUCT DETAIL:Improves fuel economy up to 5 percent Reduces wear by up to 43 percent Reduces noise and vibration Cleans sludge and deposits from at start-up surfaces