Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Bank | ||||
| One Cylinder | 8.0 | 5.7 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Each Additional | 0.6 | 0.5 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cylinders | 10.0 | 7.2 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | ||||
| One Cylinder | 9.8 | 7.3 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cylinders | 14.7 | 10.3 | B | Includes: R&I Valve Cover, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |