Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both Banks | ||||
| One Cylinder | 3.5 | 2.5 | B | Includes: R&I Valve Cover. |
| All Cylinders | 5.4 | 3.3 | B | Includes: R&I Valve Cover. |
| Right Bank | ||||
| One Cylinder | 2.1 | 1.4 | B | Includes: R&I Valve Cover. |
| All Cylinders | 3.0 | 1.8 | B | Includes: R&I Valve Cover. |
| Left Bank | ||||
| One Cylinder | 2.1 | 1.6 | B | Includes: R&I Valve Cover. |
| All Cylinders | 3.0 | 2.0 | B | Includes: R&I Valve Cover. |