Valve Spring
| Free Length | Intake | 1.815 Inch (in) |
| Exhaust | 1.717 Inch (in) | |
| Pressure | Intake | 46-52 at 1.535 Pound Force At Inch (lbf @ in) |
| Exhaust | 29-33 at 1.476 Pound Force At Inch (lbf @ in) | |
| Out Of Square Limit | Intake | 0.0335-0.0531 Inch (in) |
| Exhaust | 0.0364-0.0581 Inch (in) |