Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.1 | 1.5 | B | |
| Left Bank | 1.4 | 1.1 | B | |
| Both Banks | 3.0 | 2.2 | B | |
| Each Additional | 0.6 | 0.5 | B | |
| All Cyls | ||||
| Right Bank | 4.0 | 2.9 | B | |
| Left Bank | 3.5 | 2.5 | B | |
| Both Banks | 6.6 | 4.9 | B |