ensuring long-lasting durability and consistent performance under demanding conditions

Transform the lug bolts on your BMW

including racing and performance street builds

choosing 5150 means opting for reliability and performance backed by a reputation for excellence in the automotive industry

Step 2: Tighten Studs 1 through 10 to 50 ft-lbs

Viton Valve Stem Seals, BMW N55 / S55 S58 Camshafts ensuring long-lasting durability and consistentViton 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