Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | 12.7 | 8.8 | A | Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings. |
| Each Additional | 0.8 | 0.5 | A | Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings. |
| All Cyls | 14.7 | 10.2 | A | Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings. |
| Note | ||||
| With AC, Add | 0.4 | 0.2 | A | |
| With PS, Add | 1.8 | 1.3 | A | |
| To Grind Valves, Add | 2.2 | 1.6 | A |