Fuel System Additive

Liquid Performance Diesel Doctor Complete Fuel System Treatment is your one step fix to all diesel fuel problems. Its full synthetic formula contains no alcohol, increases cetane, prevents water build up, prevents gelling to -40°, prevents algae growth and reduces smoking.
EPA registered
Increases horsepower and fuel mileage
Add 1 oz of Diesel Doctor Complete Fuel Treatment to every 10 gallons of diesel fuel