Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 3.1 | 2.1 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 1.3 | 0.8 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 4.3 | 2.8 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cylinders | 6.1 | 4.1 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |