Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 4.3 | 3.1 | B | |
| Left Bank | 4.5 | 3.2 | B | |
| Both Banks | 5.6 | 4.0 | B | |
| Each Additional | 0.5 | 0.3 | B | |
| All Cyls | ||||
| Right Bank | 5.7 | 4.1 | B | |
| Left Bank | 5.9 | 4.2 | B | |
| Both Banks | 8.4 | 6.0 | B |