High-Density Multi-Louvered Fin Design with 20% More Surface Area Contact Compared to OEM Unit

CAT Cams provides enhanced throttle response and smoother idling to refine the S85 driving experience

forced induction

8x ignition channels

Viton Valve Stem Seals, BMW N20 / N26 140mm High-Density Multi-Louvered Fin Design withViton Stem Seals for High Performance BMW N20 & N26 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