Int. | Exh. | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Application
|
Stamp | Dur. | CL | 1.50:1 | 1.65:1 | O.L. | Dur. | CL | 1.50:1 | 1.65:1 | Part # |
1956
|
289 | 110.5 | .406" | .446" | 71 | 298 | 112 | .406" | .446" | 522869 | |
1959-64 2bbl
|
A | 252 | 112 | .324" | .356" | 38 | 252 | 112 | .324" | .356" | 518111 |
1959-62 4bbl
|
4 | 273 | 106 | .407" | .447" | 55 | 282 | 116 | .411" | .452" | 529472 |
1963 389
|
0 (zero) | ? | ? | ?" | ? | ? | ? | ? | ? | " | ? 389 Economy & RotoHydramatic |
1963 389
|
(none) | ? | ? | ?" | ? | ? | ? | ? | ? | " | Synchro-mesh Camshaft |
1963 Tempest
|
H | ? | ? | ?" | ?" | ? | ? | ? | ?" | ?" | 537995 |
1963 Tempest
|
J | ? | ? | ?" | ?" | ? | ? | ? | ?" | ?" | 539099 |
1963 421 HO
|
7H | ? | ? | ?" | ? | ? | ? | ? | ? | " | ? 421 HO Camshaft |
1964 389
|
B | ? | ? | ?" | ? | ? | ? | ? | ? | " | 519640 |
1963-64 4bbl
|
D | 273 | 106 | .407" | .447" | 55 | 282 | 116 | .411" | .452" | 529472 |
1963-70 F8/T8/P8 exc GTO
|
E | 269 | 112.5 | .374" | .411" | 47 | 277 | 113.5 | .410" | .451" | 537441 |
1965-76 V8
|
N | 273 | 107 | .407" | .447" | 55 | 283 | 116 | .407" | .447" | 9779066 |
1973-74 2bbl
|
5 | 269 | 108.5 | .374" | .411" | 55 | 277 | 109.5 | .407" | .447" | 491255 |
1974-75 2bbl
|
Z | 269 | 108 | .374" | .411" | 59 | 282 | 108 | .408" | .447" | 491266 |
1974 4bbl
|
(?) | 264 | - | .364" | .400" | 51 | 273 | - | .403" | .443" | 494957 |
1971-76
|
W | 269 | 108.5 | .374" | .411" | 51 | 277 | 113.5 | .407" | .447" | 483555 |
1967-69 2bbl V8
|
U | 269 | 112.5 | .375" | .413" | 47 | 277 | 113.5 | .410" | .454" | 9777254 |
1965-76 4bbl
|
P | 273 | 112 | .407" | .447" | 54 | 289 | 113 | .407" | .447" | 9779067 |
1964 GTO or 421
|
C | 273 | 113 | .407" | .447" | 54 | 289 | 113 | .407" | .447" | 524009 |
1978-79 TA 6.6
|
@ (circled A) | 274 | 118.5 | .395" | .434" | 54 | 298 | 108.5 | .401" | .440" | 10003402 |
1977 Manual T/A 6.6 (WA)
|
❑ (square) | 274 | 116 | .364" | .400" | 62 | 298 | 108 | .404" | .445" | 549431 |
1977 Auto TA 6.6 (Y6)
|
O | 274 | 121 | .364" | .401" | 55 | 298 | 110 | .405" | .440" | 549112 |
1978 std engine
|
- | 274 | - | .374" | .410" | - | 274 | - | .374" | .410" | 527471 |
1956-62 3/2bbl
|
6 | 283 | 112 | .407" | .447" | 60 | 293 | 116 | .407" | .447" | 524886 |
1963-64 421 HO
|
L | 293 | 113 | .407" | .447" | 63 | 301 | 119 | .407" | .447" | 9770543 |
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 |
Mechanical Cams |
|||||||||||
1969 RAV
|
V | 308 | 112 | .453" | .498" | 87 | 320 | 115 | .447" | .492" | 545713 |
1960 389 SD
|
7 | 300 | 112 | .405" | .447" | 75 | 304 | 115 | .404" | .446" | 535480 |
1961-62 389 SD
|
8 | 308 | 112 | .405" | .447" | 83 | 312 | 115 | .404" | .446" | 540233 |
1962-63 421 SD
|
10 | 308 | 112 | .405" | .447" | 87 | 320 | 115 | .404" | .446" | 541596 |
1963 421 SD
|
11 | 312 | 112 | .405" | .447" | 91 | 324 | 115 | .404" | .446" | 542992 |
1963 421 SD
|
12 | 308 | 112 | .405" | .447" | 89 | 324 | 115 | .404" | .446" | 545319 |
Roller Cams |
|||||||||||
Application
|
Stamp | Int Dur. |
CL | 1.50:1 | 1.65:1 | O.L. | Exh Dur. |
CL | 1.50:1 | 1.65:1 | Part # |
1969 RA VI
(and VII?) |
308 | 110 | .531" | .586" | 91 ? | 320 | 110 | .536" | .590" | P1M310C |