1989 PBA Reinforced Conference
The 1989 Philippine Basketball Association Reinforced Conference was the third and last conference of the 1989 PBA season. It started on October 1 and ended on December 12, 1989. The tournament is an import-laden format, which requires each team to have an import standing 6 feet 1 inch.
Format
The following format will be observed for the duration of the conference:- Double-round robin eliminations; 10 games per team; Teams are then seeded by basis on win-loss records.
- Team with the worst record after the elimination round will be eliminated.
- Semifinals will be two round robin affairs with the five remaining teams. Results from the elimination round will be carried over.
- The top two teams in the semifinals advance to the best of seven finals. The last two teams dispute the third-place trophy in a best-of-five playoff.
Elimination round
| # | Team Standings | W | L | PCT | GB |
| 1 | San Miguel Beermen | 6 | 4 | .600 | –- |
| 2 | Purefoods Hotdogs | 6 | 4 | .600 | -- |
| 3 | Presto Tivolis | 5 | 5 | .500 | 1 |
| 4 | Añejo Rum 65ers | 5 | 5 | .500 | 1 |
| 5 | Alaska Milkmen | 5 | 5 | .500 | 1 |
| 6 | Formula Shell Zoom Masters | 3 | 7 | .300 | 3 |