BMW M50 M52 S50 S52 Valve Spring Kit by Ferrea C15475-040 This precision translates to improved

This precision translates to improved throttle response and increased power delivery across the rev range

82 A/R with 3" V-Band discharge

and Street applications

With support for up to 1

Multiple grinds available for street

BMW M50 M52 S50 S52 Valve Spring Kit by Ferrea C15475-040 This precision translates to improvedFerrea Valve Spring Kit BMW M50, M52, S50, S52 Engines 80lb Seat Pressure Increase valvetrain stability and eliminate performance robbing valve float with the Ferrea High Performance Valve Spring Kit, engineered specifically for BMW M50, M52, S50, and S52 engines. This kit is built to withstand the demands of high lift camshafts and sustained high RPM operationconditions where stock springs fall short. Designed for High RPM Performance With a seat