Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 13.7 | 10.0 | B | |
| Intake | 10.8 | 7.7 | B | |
| Exhaust | 10.8 | 7.7 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 13.7 | 10.0 | B | |
| Intake | 10.8 | 7.7 | B | |
| Exhaust | 10.8 | 7.7 | B |