Valve Spring
| Free Length Intake | 2.06 Inch (in) |
| Free Length Exhaust | 1.93 Inch (in) |
| Out Of Square Limit | 0.078 Inch (in) |
| Installed Height Intake | 1.812-1.844 Inch (in) |
| Installed Height Exhaust | 1.687-1.719 Inch (in) |
| Spring Pressure, Closed, Intake | 76-84 at 1.72 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Closed, Exhaust | 79-87 at 1.68 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Open, Intake | 215-237 at 1.39 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Open, Exhaust | 215-237 at 1.39 Pound Force At Inch (lbf @ in) |