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F22 / F23 M240i
- Increased durability
Precision CNC-Machined Retainers
and they have proven to be a top performer in both street and racing BMW S62 engines
BMW N55 / S55 Valve Spring Kit by Ferrea E60 M5 F22 / F23 M240iFor BMW N55 and S55 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
US$ 94.00
US$ 84.00
US$ 65.00
US$ 113.00
