Buick 4000-Series
| 4000 Series | Engine | Part Numbers | Adjustments | Notes | Year |
|---|---|---|---|---|---|
| PG4133 | V8 Buick "Nailhead" | S332FRM, S276RX-9, 4SR52 | Crank +/- 2,4,6,8 degrees | Uses 1/2" pitch single row independent roller chain | 1967 - 1976 |
| 4000 Series | Engine | Part Numbers | Adjustments | Notes | Year |