| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| Valve Spring or Stem Seal |
| Without Fuel Injection |
| One CYL | 1.5 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| One CYL Each Bank | 2.7 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| All Cyls | 4.9 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| With Fuel Injection |
| One CYL |
| Right Bank | 2.2 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Left Bank | 1.8 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Both Banks | 3.6 | 0.0 | B | Includes: R&R Valve Covers, Spark Plugs And Adjust Valves. Cylinder Head On Engine. |
| Note |
| With AC, Add | 0.5 | 0.0 | B | |
| With A.I.R. Pump, Add | 0.8 | 0.0 | B | |
| With C.C.C., Add | 0.2 | 0.0 | B | |