Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.7 | 2.1 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.2 | 1.7 | B | Includes: R&I Valve Cover. |
| Both Banks | 4.6 | 3.7 | B | Includes: R&I Valve Cover. |
| All Cylinders | ||||
| Right Bank | 3.5 | 2.8 | B | Includes: R&I Valve Cover. |
| Left Bank | 3.0 | 2.4 | B | Includes: R&I Valve Cover. |
| Both Banks | 6.5 | 5.4 | B | Includes: R&I Valve Cover. |
| Each Additional | 0.5 | 0.4 | B | Includes: R&I Valve Cover. |