Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace	21.3	15.3	A	Includes: Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Note
To Replace Connecting Rods Bearings, Add	1.7	1.2	A
To Replace Valves, Add	16.7	11.9	A
To Grind Valves, Add	18.1	12.9	A