Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.6 | 1.6 | 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 | 4.6 | 3.1 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cylinders | 6.4 | 4.4 | B | Includes: R&R Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |