Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.2 | 1.6 | B | Includes: R&I Valve Cover. |
| Left Bank | 0.9 | 0.7 | B | Includes: R&I Valve Cover. |
| Both Banks | 2.7 | 2.1 | B | Includes: R&I Valve Cover. |
| All Cylinders | ||||
| Right Bank | 2.7 | 2.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 1.4 | 1.1 | B | Includes: R&I Valve Cover. |
| Both Banks | 3.7 | 2.9 | B | Includes: R&I Valve Cover. |