Winterize Your Vehicle
Since 1951, Penray has been helping vehicle owners and operators run in all weather and climates. We offer recommendations and information for vehicle...
Cooling System Tech Facts
Coolant systems require proper maintenance and care. Here are some signs to look for and guides for maintaining proper coolant flow for optimal performance.
Fuel Doctor
Fuel Treatment What is microbial growth or bugs? How do bugs grow? Find out the warning signs and learn how Penray's Fuel Doctor Program can help you...