Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 4.6 | 3.2 | A | |
| Two Cylinders | 5.9 | 4.1 | A | |
| Three Cylinders | 7.3 | 5.1 | A | |
| Four Cylinders | 8.0 | 5.8 | A |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 4.6 | 3.2 | A | |
| Two Cylinders | 5.9 | 4.1 | A | |
| Three Cylinders | 7.3 | 5.1 | A | |
| Four Cylinders | 8.0 | 5.8 | A |