Grand Cherokee 2WD V8-4.7L VIN J (2004)
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.)