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Commonly used in Open modified Flathead Engines turning 10+K RPMs!
Lightning SeriesThe originals that started them all. The FHS Endurance Racing Oil Series. They use our specially designed enhancers that have been researched, developed, tested, and proven for decades. They are designed to give incredible engine protection along with excellent speed. The film strength of these FHS oils is unmatched by the competitors. These are the tried and true oils that methanol racers around the country have come to rely on.
Whether you run high-end karting oil, racing car oil, motorcycle oil, or that cheap store name brand oil you buy at the grocery store, regardless of what oil you run in your air-cooled industrial engine, you must replace it frequently. Our 4-cycle kart engines do not have oil filters and run twice as hot as your liquid-cooled engine in your kart hauler. This means they break down and become contaminated quickly. To ensure you are getting all the benefits of the additives in your oil to prevent wear and increase the power, we recommend changing your oil at least once every race day(more times if its in the budget) or for recreational mild builds with no more than 10 hours of run time.