Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One | 1.5 | 1.1 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| All | ||||
| One Head | 2.9 | 2.1 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| Both Heads | 5.9 | 4.2 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |