Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 5.0 | 3.6 | B | Includes: R&R Valve Cover. |
| Left Bank | 1.5 | 1.1 | B | Includes: R&R Valve Cover. |
| Both Banks | 5.3 | 3.8 | B | Includes: R&R Valve Cover. |
| All Cyls | ||||
| Right Bank | 5.9 | 4.2 | B | Includes: R&R Valve Cover. |
| Left Bank | 2.4 | 1.7 | B | Includes: R&R Valve Cover. |
| Both Banks | 6.6 | 4.7 | B | Includes: R&R Valve Cover. |
| Note | ||||
| With A.I.R., Add | 0.8 | 0.5 | B |