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including forced induction and racing
150MHz specialized engine management microprocessor
supercharged
these springs enhance valve control and durability
BMW N54 Valve Springs by SuperTech Seat Pressure:75 lbs including forced induction and racingDesigned to meet the demands of high performance applications, Supertech valve spring kits are favored by performance enthusiasts, engine builders, and professional racing teams alike. These kits are compatible with various N54 applications, including racing and performance street builds, delivering optimal performance at high RPMs. Crafted from high quality materials, Supertech valve springs are built to withstand the intense conditions of high
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