Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.0 | 1.4 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Left Bank | 1.8 | 1.3 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Both Banks | 3.4 | 2.4 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| All Cyls | ||||
| Right Bank | 3.2 | 2.3 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Left Bank | 3.1 | 2.2 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Both Banks | 5.9 | 4.2 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |