Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.6 | 1.1 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 2.2 | 1.4 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 3.5 | 2.2 | B | Includes: R&I Valve Cover & Spark Plugs. |
| All Cylinders | ||||
| Right Bank | 3.8 | 2.0 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 3.4 | 2.3 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 5.4 | 3.6 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Each Additional | 0.7 | 0.4 | B | Includes: R&I Valve Cover & Spark Plugs. |