| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| Without Valve Job |
| Note |
| With AC, Add | 0.9 | 0.6 | B | |
| With A.I.R., Add | 0.8 | 0.5 | B | |
| With Cruise Control, Add | 0.4 | 0.2 | B | |
| With Turbo, Add | 0.4 | 0.2 | B | |
| Right Bank | 6.2 | 4.4 | B | Includes: Remove Carbon And Make Necessary Adjustments. |
| Left Bank | 6.9 | 4.9 | B | Includes: Remove Carbon And Make Necessary Adjustments. |
| Both Banks | 7.8 | 5.6 | B | Includes: Remove Carbon And Make Necessary Adjustments. |
| With Valve Job |
| Right Bank | 8.0 | 5.7 | B | Includes: R&R Cylinder Head, Grind Or Renew Valves, Transfer All Necessary Components & Make All Adjustments. |
| Left Bank | 8.4 | 6.0 | B | Includes: R&R Cylinder Head, Grind Or Renew Valves, Transfer All Necessary Components & Make All Adjustments. |
| Both Banks | 11.2 | 8.0 | B | Includes: R&R Cylinder Head, Grind Or Renew Valves, Transfer All Necessary Components & Make All Adjustments. |
| Note |
| With AC, Add | 0.9 | 0.6 | B | |
| With Cruise Control, Add | 0.4 | 0.2 | B | |
| With A.I.R., Add | 0.8 | 0.5 | B | |
| With Turbo, Add | 0.4 | 0.2 | B | |