Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 3.9 | 2.5 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.6 | 1.6 | B | Includes: R&I Valve Cover. |
| Both Banks | 5.5 | 3.7 | B | Includes: R&I Valve Cover. |
| Each Additional Cylinder | 0.5 | 0.4 | B | Includes: R&I Valve Cover. |