Fall-Line Motorsports F8X M2 / M3 / M4 Rear Upper Control Arm Set G-AMG (W463) Revolutionary fin pitch from 10-22FPI

Revolutionary fin pitch from 10-22FPI and louver angles

Scorpion’s advanced downpipe technology enables unrivalled engine output

75" T304 stainless steel for ultimate durability

Progressive design for the best lowering vs performance

Fall-Line Motorsports F8X M2 / M3 / M4 Rear Upper Control Arm Set G-AMG (W463) Revolutionary fin pitch from 10-22FPIFrom years of competitive race experience, Fall Line has become synonymous with producing not only championship caliber race cars, but the finest suspension components that help propel them to victory. As the final piece within Fall Lines suite of rear suspension offerings for the F8X M2 M3 M4, these upper wishbones boast two major benefits: replace the OEM rubber bushings with spherical units and add valuable adjustability versus the standard, fixed