Valve Spring
| Free Length | Intake | 1.816 Inch (in) |
| Exhaust | 1.687 Inch (in) | |
| Pressure | Intake | 48-52 at 1.535 Pound Force At Inch (lbf @ in) |
| Exhaust | 30-34 at 1.496 Pound Force At Inch (lbf @ in) | |
| Out Of Square Limit | Intake | 0.063 Inch (in) |
| Exhaust | 0.059 Inch (in) |