Evolve Pinned Crank Hub - BMW F87 M2 Competition | F80 M3 | F82 | F83 M4 (S55) | F87 M2 (N55)NEW STOCK AVAILABLE LATE APRIL 2026 For Installation at Evolve Click Here Designed specifically for BMW S55 & N55 engines, the Evolve solution is engineered to address a common issue and provide peace of mind for owners. The OE design has been known to "slip" or "spin" on tuned cars and to a lesser extent on completely stock cars. This can lead to at best the engine requiring retiming or at worst piston to valve contact and therefore an engine
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