Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cylinders | ||||
| Right Bank | 5.9 | 4.2 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 5.2 | 3.6 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 6.6 | 4.9 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |