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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Based on customer providing good engine core
F10 / F11 M5
M2 Competition (F87) and M4 (F82/F83)
With single-groove stems
This coating also provides exceptional thermal resistance
BMW N52 Valve Spring Kit by Ferrea 11377583786 Based on customer providing goodFor BMW N52 owners seeking high performance valve springs, Ferrea offers an expertly engineered solution designed to eliminate common issues like binding, breakage, and valve floatcritical factors that can compromise engine performance. Ferrea valve springs are specifically crafted for high lift and high RPM applications, providing enhanced stability and reducing load loss. Ferrea springs undergo meticulous heat treatment and stress relief to ensure
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