Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace	18.6	12.8	A	Includes: R&I Head & Oil Pan, Hone Cylinder Walls And Plastigauge Bearings.
NOTE
To R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To R&R Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.9	0.0	A
To Renew Timing Chain, Add	1.4	0.0	A
To Grind Valves, Add
Right Bank	2.9	0.0	A
Left Bank	2.8	0.0	A
Both Banks	4.6	0.0	A
To Renew Spark Plugs, Add
With 4.0SE, 4.6HSE	0.3	0.0	A