| Part# | PAC-1427 |
| Description | This is actually a true conical spring for the BBC stock eliminator applications. This spring has very advanced processing technology and highly variable rates for aggressive camshafts. This spring is recommended for drag race applications only. |
| Mass (g) | 79.0 |
| Large End I.D. (in) | 1.000 |
| Large End O.D. (in) | 1.454 |
| Install Load (LB) | 200 |
| Install Height (in) | 1.850 |
| Open Load (LB) | 500 |
| Open Height (in) | 1.250 |
| Coil Bind Max (in) | 1.190 |
| Lift Max (in) | 0.625 |
| Frequency Base (CPM) | 35022 |
