Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without Port Injection | ||||
| Right Bank | 3.2 | 2.2 | B | Includes: R&R Valve Cover & Spark Plugs. |
| Left Bank | 2.8 | 1.8 | B | Includes: R&R Valve Cover & Spark Plugs. |
| Both Banks | 5.8 | 3.8 | B | Includes: R&R Valve Cover & Spark Plugs. |
| With Port Injection | ||||
| Right Bank | 3.6 | 2.6 | B | Includes: R&R Valve Cover & Spark Plugs. |
| Left Bank | 2.8 | 1.8 | B | Includes: R&R Valve Cover & Spark Plugs. |
| Both Banks | 6.1 | 4.1 | B | Includes: R&R Valve Cover & Spark Plugs. |
| Note | ||||
| With AC, Add | 0.7 | 0.4 | B | Includes: R&R Valve Cover & Spark Plugs. |
| With C.C.C., Add | 0.5 | 0.3 | B | Includes: R&R Valve Cover & Spark Plugs. |