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Precision Components for Demanding Builds
A line hone is a machining process that can be used to resize and reshape the main bearing bores
Fuel type ethanol blend or methanol
Our Custom Age 625+ kit is made from a material with a tensile strength of 260 ksi
BMW M52TU/M54 Valve Springs by SuperTech Custom Age Precision Components for Demanding BuildsSupertech valve springs for the BMW M52TU and M54 engines are designed for high performance enthusiasts who demand reliability at high RPMs. Made from Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional durability, improved structural memory, and consistent performance even under extreme conditions. Precision engineered with computer aided design, Supertech valve springs are optimized to minimize stress and manage
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