Jeep Workshop Service and Repair Manuals

Valve Seat: Specifications

Valve Seat Angle .......................................................................................................................................................................  44.5 degrees - 45.0 degrees
Valve Seat Runout (MAX) ................................................................................................................................................................  0.051 mm 0.002 inch
Valve Seat Width 

Intake .....................................................................................................................................................................  1.75 - 2.36 mm (0.0698 - 0.0928 in.)
Exhaust ....................................................................................................................................................................  1.71 - 2.32 mm (0.0673 - 0.0911 in.)

Guide Bore Diameter (Std.) ......................................................................................................................................  6.975 - 7.00 mm (0.2747 - 0.2756 in.)

Cylinder Head Warpage 

(Flatness) .......................................................................................................................................................................................  0.0508 mm (0.002 in.)