Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
Each Additional	0.4	0.3	A	Includes: R&I Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
One	10.8	7.5	A	Includes: R&I Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All	11.8	8.2	A	Includes: R&I Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
NOTE
To Grind Valves, Add	5.3	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 R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To R&R Timing Chain, Add	3.2	0.0	A
To R&R Spark Plugs, Add	0.3	0.0	A