Valve Stem Seals
Cup or umbrella type seals used on all valves. Install seals with cup side down over valve guide.
VALVE SPRINGS & LIFTERS
| Engine & Year |
Free Length |
Pressure (Lbs.) |
| Valve Closed |
Wear Limit |
Valve Open |
Wear Limit |
| 221" |
|
|
|
|
|
| |
1962-63 |
2.15" |
57-63 at 1.77" |
52 at 1.77" |
161-178 at 1.38" |
145 at 1.38" |
| 260" |
|
|
|
|
|
| |
1962-65 |
2.15" |
57-63 at 1.77" |
52 at 1.77" |
161-178 at 1.38" |
145 at 1.38" |
| 289" |
|
|
|
|
|
| |
1963-66 |
|
|
|
|
|
| |
|
Early (Exc. 271 HP) |
2.09" |
71-79 at 1.78" |
64 at 1.78" |
161-177 at 1.39" |
145 at 1.39" |
| |
|
Late (Exc. 271 HP) |
1.86" |
57-63 at 1.64" |
51 at 1.64" |
157-174 at 1.25" |
141 at 1.25" |
| |
|
|
271 HP |
2.04" |
83-93 at 1.77" |
75 at 1.77" |
234-259 at 1.32" |
211 at 1.32" |
| |
1967 |
1.93" |
71-79 at 1.66" |
68 at 1.64" |
174-192 at 1.27" |
165 at 1.25" |
| |
|
|
|
and 1968 |
1.97" |
.71-79 at 1.66" |
68 at 1.66" |
171-189 at 1.23" |
162 at 1.23" |
| |
|
271 HP |
2.04" |
83-92 at 1.77" |
75 at 1.77" |
234-259 at 1.32" |
209 at 1.32" |