Valve Spring
| Free Length | Intake (Approx.) | 1.7195 Inch (in) |
| Exhaust (Approx.) | 1.7448 Inch (in) | |
| Spring Force | Intake (Valve Closed) | 69.5 - 80.5 at 1.4961 Pound Force At Inch (lbf @ in) |
| Exhaust (Valve Closed) | 71 - 79 at 1.4961 Pound Force At Inch (lbf @ in) | |
| Intake (Valve Open) | 188 - 204 at 1.1594 Pound Force At Inch (lbf @ in) | |
| Exhaust (Valve Open) | 130 - 144 at 1.239 Pound Force At Inch (lbf @ in) | |
| Number of Coils | Intake | 6.86 Inch (in) |
| Exhaust | 7.66 Inch (in) | |
| Color of Spring (Top of Coils) | Intake (Right Hand Coil Direction) | Orange |
| Exhaust (Left Hand Coil Direction) | Yellow | |
| Wire Diameter | Intake | 0.1689 - 0.1709 Inch (in) |
| Exhaust | 0.1638 - 0.1661 Inch (in) | |
| Spring Installed Height | Intake & Exhaust | 1.4961 Inch (in) |