Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 5.9 | 4.1 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 1.7 | 1.2 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 5.9 | 4.3 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cyls | ||||
| Right Bank | 6.6 | 4.8 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 2.7 | 1.9 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 8.0 | 5.6 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |