Valve Spring
| Valve Spring | Free Length (Approx) | Intake and Exhaust | 1.9134 Inch (in) |
| Spring Force (Valve Closed) | Intake and Exhaust | 70.92722 - 79.24515 at 1.6099 Pound Force At Inch (lbf @ in) | |
| Spring Force (Valve Open) | Intake and Exhaust | 176.6998 - 193.3357 at 1.167 Pound Force At Inch (lbf @ in) | |
| Number of Coils | Intake and Exhaust | 6.69 | |
| Wire Diameter | Intake and Exhaust | 0.1685 - 0.1715 Inch (in) | |
| Installed Height Nominal Spring seat to bottom of retainer. | Intake | 1.613 Inch (in) | |
| Exhaust | 1.606 Inch (in) |