Viton Valve Stem Seals, BMW N63 / S63 Spring Style:Supertech Springs Adjustable noise thresholds

Adjustable noise thresholds

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On the BMW N54

Note: MLS gaskets require smooth

Improved Performance

Viton Valve Stem Seals, BMW N63 / S63 Spring Style:Supertech Springs Adjustable noise thresholdsViton Stem Seals for High Performance BMW N63 & S63 V8 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