Pontiac TR-Series
| TR Series | Engine | Part Numbers | Adjustments | Year |
|---|---|---|---|---|
| 305HDSTR | V8 287, 316, 326, 347, 350P, 370, 389, 400, 421, 428, 455 | S305FR, S371R, 3DR60 | Crank +/- 4 degrees | 1955 - 1982 |
| TR Series | Engine | Part Numbers | Adjustments | Year |
High Performance Automotive Timing Sets
