XA8MXGST12A010

BMW     F33     440i xDrive     B58 3

But strength is not Mishimoto's only focus

Radium Engineering check valveFlow Restriction: 15 LPHCurrent Draw: 0

Viton Valve Stem Seals, BMW / Toyota B58 CPT-3307PVD XA8MXGST12A010Viton Stem Seals for High Performance BMW & Toyota B58 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