
BMW M20 Valve Springs by SuperTech
Supertech’s 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 design, they minimize wire stress and expertly manage valve harmonics, optimizing high-RPM performance and reliability. The set includes CNC-machined titanium retainers crafted from military-certified alloy, ensuring precise fitment and reduced valvetrain weight for faster response. Built to withstand the demands of high-performance BMW engines, Supertech’s valve springs and retainers offer unmatched reliability and durability, making them the premier choice for engine builders focused on maximizing BMW M20 performance. Installation requires