Pontiac 4000-Series
| 4000 Series | Engine | Part Numbers | Adjustments | Year |
|---|---|---|---|---|
| PG4112 | V8 287, 316, 326, 347, 350P, 370, 389, 400, 421, 428, 455 | S305FRM, S371RX-9, 3DR60G | Crank +/- 2,4,6,8 degrees | 1955 - 1982 |
| 4000 Series | Engine | Part Numbers | Adjustments | Year |
High Performance Automotive Timing Sets
