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Red Line GL-5 gear oil is formulated for superior protection and improved differential efficiency. It surpasses API GL-5 standards and offers exceptional lubrication, a high viscosity index, and the ability to reduce operating temperatures. This gear oil is suitable for most limited-slip differentials due to the inclusion of friction modifiers. However, it's not recommended for manual transmissions with synchronizers because its increased lubricity can cause shifting issues. Notably, Red Line GL-5 is a popular choice for gearboxes and differentials used in stock car racing.
These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers (except NS) for proper limited-slip operation
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