Valve Spring
| Free Length | Intake | Inner | 1.819 Inch (in) |
| Outer | 1.949 Inch (in) | ||
| Exhaust | Inner | 2.071 Inch (in) | |
| Outer | 2.274 Inch (in) | ||
| Pressure | Intake | Inner | 19.6-22.2 at 1.555 Pound Force At Inch (lbf @ in) |
| Outer | 29.3-33.2 at 1.732 Pound Force At Inch (lbf @ in) | ||
| Exhaust | Inner | 33.2-37.4 at 1.594 Pound Force At Inch (lbf @ in) | |
| Outer | 51.9-58.7 at 1.7222 Pound Force At Inch (lbf @ in) | ||
| Out Of Square Limit | Intake | Inner | 0.063 Inch (in) |
| Outer | 0.071 Inch (in) | ||
| Exhaust | Inner | 0.073 Inch (in) | |
| Outer | 0.080 Inch (in) |