Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 3.0 | 2.3 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.2 | 1.5 | B | Includes: R&I Valve Cover. |
| Both Banks | 4.6 | 3.5 | B | Includes: R&I Valve Cover. |
| Each Additional | 0.5 | 0.4 | B | Includes: R&I Valve Cover. |
| All CYL | ||||
| Right Bank | 3.8 | 3.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 3.0 | 2.2 | B | Includes: R&I Valve Cover. |
| Both Banks | 6.5 | 5.2 | B | Includes: R&I Valve Cover. |