Rear Coil-Over conversion kit for Bilstein shocks (solid axle). This kit comes with Hypercoil 2.25" diameter linear rate coil-over springs in your choice of spring rate. Consult your MM sales department for help choosing spring rates for your particular car and performance driving habits. This kit can be purchased without springs as a MMCO-3.
Fits Bilstein and MM valved shocks:
- BE5-6418-H4 with added groove (GBE5-6418-H4)
- MB-6418-S1 already grooved