Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without Balance Shaft | ||||
| One CYL | ||||
| Right Bank | 1.1 | 0.8 | B | |
| Left Bank | 1.3 | 0.9 | B | |
| Both Banks | 1.8 | 1.3 | B | |
| Each Additional | 0.7 | 0.4 | B | |
| All Cyls | ||||
| Right Bank | 2.1 | 1.5 | B | |
| Left Bank | 2.2 | 1.6 | B | |
| Both Banks | 3.8 | 2.7 | B |