Valve Spring
| Valve Spring | Free Length | Intake | 1.7195 Inch (in) |
| Exhaust | 1.7448 Inch (in) | ||
| Force-Valve Closed | Intake | 69.5 - 80.5 at 1.4961 Pound Force At Inch (lbf @ in) | |
| Exhaust | 71 - 79 at 1.4961 Pound Force At Inch (lbf @ in) | ||
| Force-Valve Open | Intake | 188 - 204 at 1.1594 Pound Force At Inch (lbf @ in) | |
| Exhaust | 130 - 144 at 1.239 Pound Force At Inch (lbf @ in) | ||
| Number of Coils | Intake | 6.86 | |
| Exhaust | 7.66 | ||
| Wire Diameter | Intake | 0.1689 - 0.1709 Inch (in) | |
| Exhaust | 0.1638 - 0.1661 Inch (in) | ||
| Spring installed Height | Intake and Exhaust | 1.4961 Inch (in) |