Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 1.7 | 1.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 1.2 | 0.6 | B | Includes: R&I Valve Cover. |
| Both Banks | 2.6 | 1.5 | B | Includes: R&I Valve Cover. |
| Each Additional CYL | 0.4 | 0.3 | B | Includes: R&I Valve Cover. |