Performance LS1 ovate beehive valve spring for applications up to 0.600 lift.
This is a drop-in spring that fits stock seats and retainers
This spring has higher loading for more demanding applications.
Excellent choise when RPM band is raisded from stock, or heavier valves, or boost added.
| Specifications |
| Part# |
PAC-1218 |
| Mass |
75.0 |
| Large End I.D. (inches) |
0.885 |
| Large End O.D. (inches) |
1.29 |
| Install Load (LB) |
130.0 |
| Install Height (inches) |
1.800 |
| Open Load (LB) |
318.0 |
| Open Height (inches) |
1.200 |
| Coil Bind Max |
1.140 |
| Lift Max (inches) |
0.600 |
| Frequency Base (CPM) |
29277 |
