Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 5.8 | 4.3 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.0 | 1.6 | B | Includes: R&I Valve Cover. |
| Both Banks | 6.2 | 4.6 | B | Includes: R&I Valve Cover. |
| All Cylinders | ||||
| Right Bank | 6.6 | 5.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.8 | 2.3 | B | Includes: R&I Valve Cover. |
| Both Banks | 7.5 | 6.3 | B | Includes: R&I Valve Cover. |
| Each Additional | 0.5 | 0.4 | B | Includes: R&I Valve Cover. |