BMW F8X M2/M3/M4 Front Caster Arm spherical upgrade (pair) #SHRT-SMLL They come with dual caliper

They come with dual caliper brackets as standard

- When using R34 front brake calipers the mounting holes need to be drilled out from 12mm to 14mm (there is enough material to cater for the increase in hole diameter)

we custom made this plug and play loom

- Available for either S13/180sx/240sx or S14/S15 and fits both LHD and RHD variants

BMW F8X M2/M3/M4 Front Caster Arm spherical upgrade (pair) #SHRT-SMLL They come with dual caliperThe GKTech F8X M2 M3 M4 Front Caster Arm spherical bearing replacements are designed to replace the factory OEM rubber bush. OEM rubber bushes are designed to absorb road noise but that comes at the cost of performance. It's common for upgrades to be made of a harder rubber or a polyurethane but rather than a polyurethane or rubber bushing we have chosen to use a spherical bearing to significantly reduce bush deflection and ensure a much smoother