Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One CYL
Right Bank	20.0	14.2	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Left Bank	21.3	14.8	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Both Banks	22.5	16.5	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Each Additional	0.5	0.3	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
All Cyls	25.1	18.2	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
NOTE
To R&R Main Bearings, Add	0.7	0.6	A
To Grind Valves, Add
One Bank	4.4	3.8	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 R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To R&R Timing Chain, Add
Primary	5.4	0.0	A
Secondary
Right Bank	4.9	0.0	A
Left Bank	5.2	0.0	A
To R&R Spark Plugs, Add	0.5	0.0	A