Viton Valve Stem Seals, BMW B46 Turbo Speed In an engine as finely

In an engine as finely tuned as the S54

We highly encourage the use of this product in conjunction with a 4 pin crank hub upgrade

and K20A3 engine utilizing Nitrous

nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT

With these features

Viton Valve Stem Seals, BMW B46 Turbo Speed In an engine as finelyViton Stem Seals for High Performance BMW B46 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 turbocharged