Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.1 | 1.6 | B | Includes: R&I Valve Cover. |
| Left Bank | 3.1 | 1.2 | B | Includes: R&I Valve Cover. |
| Both Banks | 5.2 | 2.6 | B | Includes: R&I Valve Cover. |
| All Cyls | ||||
| Right Bank | 3.1 | 2.0 | B | Includes: R&I Valve Cover. |
| Left Bank | 4.1 | 1.6 | B | Includes: R&I Valve Cover. |
| Both Banks | 6.8 | 3.4 | B | Includes: R&I Valve Cover. |
| NOTE | ||||
| With Air, Add | 0.8 | 0.7 | B |