Often, the LSPDFR manual download includes a specific version of RPH that was stable at the time of that mod's release. Using these files is often more reliable than hunting for third-party links.
Sometimes, a new RPH update may have bugs not present in the "golden" older builds. How to Find and Install Older RPH Versions rage plugin hook old version
While risky, sites like GTA5-Mods.com or specific forums like r/PiratedGTA sometimes host older builds, though you should always scan these files for malware. The Reversion Process Often, the LSPDFR manual download includes a specific