Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 15.7 | 11.0 | B | |
| Intake | 11.8 | 8.3 | B | |
| Exhaust | 11.8 | 8.2 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 15.7 | 11.0 | B | |
| Intake | 11.8 | 8.3 | B | |
| Exhaust | 11.8 | 8.2 | B |