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S52 Engines | 80lb Seat Pressure
For higher RPM builds and increased durability
Racing or Stock Factory Replacement applications
Includes Spindles with 51 mm Strut Ø
BMW B46 Valve Springs by SuperTech Seat Pressure:84 lbs S52 Engines | 80lb SeatSupertech Valve Springs for the BMW B46 engine are engineered for high performance builds that demand reliable valvetrain control at high RPMs. Whether you're chasing power on the street or building for track duty, these springs are designed to reduce valve float, improve stability, and maintain precise valve operation under extreme conditions. Developed with advanced materials and exacting tolerances, Supertech valve springs offer significantly
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