Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 14.0 | 10.0 | B | |
| Intake | 10.9 | 7.8 | B | |
| Exhaust | 10.9 | 7.8 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | 14.0 | 10.0 | B | |
| Intake | 10.9 | 7.8 | B | |
| Exhaust | 10.9 | 7.8 | B |