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This Supertech dual valve spring kit is specified for BMW M54 16-valve engines and supplies matched dual springs to control valve motion in that application. The kit is intended as an OEM-style replacement or an upgraded valvetrain component for M54 installations, providing the necessary springing for reliable valve operation across normal and higher engine speeds. It suits builders and mechanics working on M54 16-valve cylinder heads.
Supertech BMW M54 16 Dual Valve Spring Kit
