| Part | Manufacturer | OEM Part # | Price | Notes |
| Cylinder Head |
| Without Valves |
| Right |
| To 12/2/07 | FOR | 6L3Z6049C | 1582.15 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| From 12/3/07 | FOR | 9L3Z6049GB | 977.93 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| Left |
| To 12/2/07 | FOR | 3L3Z6049LA | 1343.12 | |
| From 12/03/07 | FOR | 9L3Z6049HA | 985.03 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| With Valves |
| Right |
| 16mm Spark Plug Holes | FOR | 5R3Z6049A | 1543.83 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| 12mm Spark Plug Holes | FOR | 8R3Z6049B | 1321.63 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| Left |
| 16mm Spark Plug Holes | FOR | 5R3Z6049B | 1577.02 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |
| 12mm Spark Plug Holes | FOR | 8R3Z6049A | 1328.15 | Manufacturers Procedures Include Replacing Cylinder Head Bolts Whenever Cylinder Head Has Been Removed. |