Penray's Plus Liquid Tune-Up improves engine performance in three easy steps. This integrated package containing specially-blended, made-in-the USA chemicals, and designed as a three-step process to fortify fuel, motor oil and engine coolant. The Fuel Injector Cleaner helps clear up irregular injector spray patters, the Oil Treatment helps reduce wear and abrasion, and the Cooling System Treatment reduces acid build up that damages aluminum cooling system parts. The chemicals improve fuel economy and increase vehicle life by helping maintain key vehicle systems.
