Viton Valve Stem Seals, BMW N55 / S55 Nissan This would normally lead to

This would normally lead to oil and sludge accumulation in the air filter intake pipe

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Upgrade your BMW M62 engine with 5150's premium high performance valves

This thermal stability also helps protect your engine against sudden failures in cases of oil pressure drops

Viton Valve Stem Seals, BMW N55 / S55 Nissan This would normally lead toViton Stem Seals for High Performance BMW N55 & S55 Engines Viton Stem Seals are engineered to prevent oil from entering the combustion chamber, ensuring optimal engine performance. Crafted from premium Viton material, these seals offer superior control and durability across the entire RPM range. Their compact design allows for clearance in small inside diameter valve springs. Developed to withstand the extreme conditions of high horsepower and