Here’s a review of the release you mentioned:
Episode 164 of DBZ Kai covers material from the final arc (Majin Buu saga, Kai’s “The Final Chapters”). It’s a solid episode in terms of pacing, with reduced filler compared to original Z . -Vegamovies-.Dragon.Ball.Z.Kai.Ep.164.720p.HD.B... -NEW
720p HD — acceptable for standard viewing, though not true high-bitrate 1080p or remastered quality. Here’s a review of the release you mentioned:
Dragon Ball Z Kai – Episode 164 Release tag: -Vegamovies-.Dragon.Ball.Z.Kai.Ep.164.720p.HD.B... -NEW -Vegamovies-.Dragon.Ball.Z.Kai.Ep.164.720p.HD.B... -NEW
Likely a pirated encode from Vegamovies (known for torrent and direct download releases). No guarantee of original Blu-ray source or proper encoding settings.