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They are designed to replace BMW part #11248623419 and #11247589671 for the BMW B58 engines with a 148 mm length
CP-Carrillo pistons are the best choice for any M52 TU engine and application
Designed as a direct upgrade over OEM valves
Upgrading to high-performance valve springs is crucial for any serious racing engine
BMW M20 Valve Springs by SuperTech Wheel Studs They are designed to replaceSupertechs high performance valve springs for BMW M20 engines (including M20B20, M20B23, M20B25, and M20B27) are designed for serious engine builders and high performance enthusiasts who demand extreme durability at high RPM. Made from Superclean Chrome Silicon Vanadium Steel alloy, these valve springs deliver top tier strength, exceptional structural memory, and extended longevity, even in intense racing conditions. Engineered with computer aided
