Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 1.5 | 1.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.1 | 1.4 | B | Includes: R&I Valve Cover. |
| Both Banks | 3.2 | 2.5 | B | Includes: R&I Valve Cover. |
| All Cyls | ||||
| Right Bank | 2.3 | 1.4 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.9 | 2.1 | B | Includes: R&I Valve Cover. |
| Both Banks | 4.2 | 3.3 | B | Includes: R&I Valve Cover. |