Penray Diesel Fuel Prep™ is specifically concentrated for light duty vehicles to improve performance. Diesel Fuel Prep™ is formulated to clean the engine to restore power and maximize fuel economy!
Benefits of Penray Diesel Fuel Prep™:
• Concentrated year-round diesel fuel conditioner for auto and light duty engines
• Cleans fuel injectors to maximize fuel economy and restore power
• Improves performance Lifts cetane up to 8 numbers
• One bottle treats 20 gallons for an 8 cetane* number lift, 40 gallons for a 4 number lift
• Biodiesel compatible and ULSD compliant
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