Valve Seals are critical components within an engine that prevent oil leakage from the cylinder head to the crankcase. They are manufactured from various materials such as Viton or silicone to withstand extreme temperatures and maintain elasticity. When valve seals become worn or damaged, they can contribute to oil consumption, rough idling, and decreased engine performance. Replacing valve seals can restore engine performance and improve fuel efficiency. Important factors to consider when choosing replacement valve seals include their compatibility with your specific engine application and their ability to withstand the high temperatures present in modern engines.