High-performance camshafts

Ensure engine block and cylinder head surfaces are clean

and S52 iron block engines in E34 and E36 chassis

They are designed to replace BMW part #11241725809 and #11241747131 in the BMW M60B30

25 Carbon Fiber Driveshaft

Viton Valve Stem Seals, BMW B48 64931S High-performance camshaftsViton Stem Seals for High Performance BMW B48 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