Valve Spring
| Free Length | Exhaust | Inner | 0.073 Inch (in) |
| Outer | 0.080 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 | 0.063 Inch (in) | |
| Exhaust | 0.060 Inch (in) |