Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 1 Valve | 1.5 | 1.1 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| 2-4 Valves | 2.1 | 1.5 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| 5-8 Valves | 2.9 | 2.1 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| 9-12 Valves | 3.6 | 2.6 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |
| Valves | 4.6 | 3.1 | B | Includes: R&R Valve Cover, Spark Plugs, And Adjust Valves. Cylinder Head On Engine. |