Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| Right Bank | 2.1 | 1.5 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 1.5 | 1.0 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 3.2 | 2.3 | B | Includes: R&I Valve Cover & Spark Plugs. |
| All Cylinders | ||||
| Right Bank | 3.4 | 2.4 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 2.7 | 1.9 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 5.9 | 4.0 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Each Additional | 0.7 | 0.4 | B | Includes: R&I Valve Cover & Spark Plugs. |