No Longer for sale on the FHS website
Fuel System Cleaner: Quickly cleans up deposits in gasoline injectors that cause sluggishness, surging, stalling, hesitation, and start difficulties. Removes combustion chamber deposits that cause knocks and pings. Improves power and economy. Good for Fuel injection or Carburetors.
Directions: Add to fuel tank. Treats up to 25 gallons of gasoline or diesel fuel. Do Not refuel until tank is at 3/4 empty. Repeat when necessary ( average 2700 miles). If spilled on car finish, wash off with water immediately.