Valve Spring
| Free Length Intake | 2.06 Inch (in) |
| Free Length Exhaust | 2.06 Inch (in) |
| Out Of Square Limit | 0.078 Inch (in) |
| Installed Height Intake | 1.797-1.828 Inch (in) |
| Installed Height Exhaust | 1.797-1.828 Inch (in) |
| Spring Pressure, Closed, Intake | 76-84 at 1.81 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Closed, Exhaust | 76-84 at 1.81 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Open, Intake | 218-240 at 1.33 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Open, Exhaust | 218-240 at 1.33 Pound Force At Inch (lbf @ in) |