|
VALVE LIFT |
DURATION
|
DESCRIPTION |
HARD WELD |
NEW CAM |
|
.368/.322 |
261/244 |
Turbo applications. |
21-70-161 |
21-70-162 |
|
.378/.330 |
267/252 |
Designed to increase
overall performance. Check retainer to guide seal clearance. Minimum
.030. Performance springs required. |
21-70-751 |
21-70-752 |
|
.395/.378 |
266/267 |
Designed to increase
mid and upper end power. Must be used with a performance piston and
exhaust system. Performance springs and shortened valve guides required!
New cams must be hardwelded |
21-70-761 |
21-70-762 |
|
.415/.395 |
268/266 |
Race profile. New
cams must be hardwelded. |
21-70-841 |
21-70-842 |
|
.445/.415 |
268 |
Race profile. New
cams must be hardwelded |
21-70-891 |
21-70-892 |