Wagner Tuning Head Studs are designed to replace the factory head bolts in BMW engines

ensuring long-lasting durability and consistent performance under demanding conditions

Crossmember is powder coated black for good looks and rust protection

b 180° Hose32

including racing and performance street builds

Viton Valve Stem Seals, BMW N55 / S55 S58 Camshafts Wagner Tuning Head Studs areViton 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