Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 1.4 | 1.0 | B | |
| Left Bank | 1.4 | 1.0 | B | |
| Both Banks | 2.4 | 1.7 | B | |
| Each Additional | 0.7 | 0.4 | B | |
| All Cylinders | ||||
| Right Bank | 2.8 | 2.0 | B | |
| Left Bank | 2.8 | 2.0 | B | |
| Both Banks | 5.2 | 3.7 | B |