I just got a set of 3/8" LFP hub centric spacers and they do not work with the AFS wheels. The spacers do not sit flush against the back of the rim and wobbles around. I spoke with Mark at LFP and he said that tooling would be too expensive to change the design on these and that i would have to modify the wheel to make these work or not run them and just return them. You can see the pitch on the spacer is too steep/tall for the AFS rims. The pitch on the OEM rim is much larger so the spacers work fine on the OEM.
LFP 3/8" spacer. The pitch is too steep/tall
Factory Rim
AFS Rim
LFP 3/8" spacer. The pitch is too steep/tall
Factory Rim
AFS Rim