Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 3.9 | 2.8 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 1.4 | 0.9 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 5.1 | 3.6 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cylinders | 6.9 | 4.9 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |