The ARB/OME MT64 coil spring kit for 2003–2024 Toyota 4Runner lists a 2.5 inch front lift with no front spring load specified and a 2.0 inch rear lift paired with a 440 lb rear spring rate in this configuration. Offered as a matched front/rear spring set, the kit changes ride height and rear stiffness for compatible 4Runner models per the provided specification.
ARB / OME 03-24 Toyota 4Runner MT64 Kit - FR 2.5in/0lb - RR 2in/440lb