Description
Drop in spring for 09+ Hemi engines includes 6.2/6.4 Apache heads. Includes Springs only, to be used with factory retainers, and seats
| O.D. Large End (in) | 1.345 |
| I.D. Large End (in) | 0.900 |
| O.D. Small End (in) | 1.095 |
| I.D. Small End (in) | 0.650 |
| Installed Height (Valve Closed) (in) | 175 @ 2.050 |
| Open Valve (Valve Open) | 450 @ 1.400 |
| Spring Rate | 423 |
| Max Coil Bind (in) | 1.346 |
| Max Lift (in) | 0.650 |
| Titanium Retainers | PAC-R510 PAC-R511 |
| Steel Retainers | PAC-R310 PAC-R311 |
| Spring Seats | PAC-S111 |
| Spring Cups | N/A |