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CAD and FEA-optimized for precise fit and structural reliability under stress
Stainless steel
sharper throttle response
Works with SuperTech Valve Springs ONLY
prepping a track machine
BMW S58 Lifter Shim Set by Ferrea ZF 8HP75 CAD and FEA-optimized for preciseThe Ferrea Racing Lifter Shim Set is designed to optimize the performance of BMW S58 engines by improving valvetrain stability. Installed beneath the stock hydraulic lifters, these precision shims reduce lifter travel distance, preventing valve float and enhancing power delivery under demanding conditions. Prevent Valve Float at High RPMs Whether you're running high boost setups or pushing high RPMs, valve float can become a serious issue. This occurs
