Pontiac CamshaftSpecification Chart |
 |
| Application | Stamping # | Intake Duration |
Intake Centerline |
1.50 | 1.65 | Overlap | Exhaust Duration |
Exhaust Centerline |
1.50 | 1.65 | Camshaft Part # |
| 1959-64 4bbl | D | 273 | 106 | .407" | .447" | 55 | 282 | 116 | .411" | .452" | 529472 |
| 1965-76 V8 | N | 273 | 107 | .407" | .447" | 55 | 283 | 116 | .407" | .447" | 9779066 |
| 1965-76 4bbl | P | 273 | 112 | .407" | .447" | 54 | 289 | 113 | .407" | .447" | 9779067 |
| 1964 GTO 421 | C | 273 | 113 | .407" | .447" | 54 | 289 | 113 | .407" | .447" | 524009 |
| 1978-79 T/A 6.6L | - | 274 | - | .364" | .400" | - | 298 | - | .407" | .447" | 549112 |
| 1956-62 3/2bbl | 6 | 283 | 112 | .407" | .447" | 60 | 293 | 116 | .407" | .447" | 524886 |
| 1963-64 421 HO | L | 288 | 113 | .407" | .447" | 63 | 301 | 119 | .407" | .447" | 9770523 |
| 1965-72 HO | S | 288 | 113 | .407" | .447" | 63 | 302 | 119 | .407" | .447" | 9779068 |
| 1966-69 RA | H | 301 | 113 | .407" | .447" | 76 | 313 | 118 | .407" | .447" | 9785744 |
| 1973-74 455SD | Y | 301 | 113 | .407" | .447" | 76 | 313 | 118 | .407" | .447" | 493323 |
| 1968L-70 RAIV | T | 308 | 112 | .470" | .516" | 87 | 320 | 115 | .470" | .516" | 9794041 |
| (1973 455 SD) | K | 308 | 112 | .470" | .516" | 87 | 320 | 115 | .470" | .516" | 480737 |
| 1969 RAV- mech. | V | 308 | 112 | .453" | .498" | 87 | 320 | 115 | .447" | .492" | 545713 |