Valve Spring
| Free Length Intake | 1.877 Inch (in) |
| Free Length Exhaust | 1.877 Inch (in) |
| Out Of Square Limit | 0.078 Inch (in) |
| Installed Height Intake | 1.49-1.55 Inch (in) |
| Installed Height Exhaust | 1.49-1.55 Inch (in) |
| Spring Pressure, Closed, Intake | 71-79 at 1.52 Pound Force At Inch (lbf @ in) Note: With Damper Removed. |
| Spring Pressure, Closed, Exhaust | 71-79 at 1.52 Pound Force At Inch (lbf @ in) Note: With Damper Removed. |
| Spring Pressure, Open, Intake | 142-156 at 1.12 Pound Force At Inch (lbf @ in) Note: With Damper Removed. |
| Spring Pressure, Open, Exhaust | 142-156 at 1.12 Pound Force At Inch (lbf @ in) Note: With Damper Removed. |