Valve Spring
| Free Length Intake | 2.075 Inch (in) |
| Free Length Exhaust | 2.075 Inch (in) |
| Out Of Square Limit | 0.078 Inch (in) |
| Installed Height Intake | 1.767 Inch (in) |
| Installed Height Exhaust | 1.833 Inch (in) |
| Spring Pressure, Closed, Intake | 80 at 1.833 Pound Force At Inch (lbf @ in) |
| Spring Pressure, Closed, Exhaust | 80 at 1.833 Pound Force At Inch (lbf @ in) |