D 250 Pickup V8-360 5.9L VIN 5 (1989)
Valve: Specifications
Stem Diameter
Intake
0.372-0.373 in
Note: Standard diameter. Valve should be replaced if wear
exceeds 0.002 inch
Exhaust 0.371-0.372 in
Note: Standard diameter. Valve should be replaced if wear
exceeds 0.002 inch.
Installed Height
Note: Installed height is measured w/gauge C-396B
Maximum Tip Refinish
Note: Valves may be ground to correct installed height
unless they are equipped w/rotators. If valves are equipped
w/rotators, do not grind stem tips
Face Angle
44.5-45 deg
Margin
Intake
0.0469 in
Note: Minimum
Exhaust 0.0469 in