Chrysler Workshop Service and Repair Manuals

Valve: Specifications

Valve Lift (Zero Lash)

Intake .................................................................................................................................................................................................  9.80 mm (0.385 in.)
Exhaust ..............................................................................................................................................................................................  9.80 mm (0.385 in.)

Face Angle

Intake .................................................................................................................................................................................................................  45 - 45.5 °
Exhaust ..............................................................................................................................................................................................................  45 - 45.5 °

Head Diameter

Intake ...........................................................................................................................................................................  47.87 - 48.13 mm (1.88 - 1.89 in.)
Exhaust ........................................................................................................................................................................  35.37 - 35.63 mm (1.39 - 1.40 in.)

Valve Margin

Intake .......................................................................................................................................................................  0.825 - 0.973 mm (0.032 - 0.038 in.)
Exhaust ....................................................................................................................................................................  1.565 - 1.713 mm (0.061 - 0.067 in.)

Valve Length (Overall)

Intake .........................................................................................................................................................................  125.84 - 126.6 mm (4.95 - 4.98 in.)
Exhaust ......................................................................................................................................................................  127.2 - 127.96 mm (5.00 - 5.04 in.)

Valve Stem Tip Height (valve tip to spring seat washer)

Intake ...............................................................................................................................................................................  48.1 - 49.7 mm (1.89 - 1.95 in.)
Exhaust ........................................................................................................................................................................  48.53 - 50.09 mm (1.91 - 1.97 in.)

Valve Stem Diameter

Intake (Standard) .................................................................................................................................................  6.935 - 6.953 mm (0.2730 - 0.2737 in.)
Exhaust (Standard) ..............................................................................................................................................  6.906 - 6.924 mm (0.2718 - 0.2725 in.)

Valve Stem to Guide Clearance 

Intake

Standard ..........................................................................................................................................................  0.025 - 0.065 mm (0.001 - 0.0025 in.)
Maximum Allowable (Rocking Method) ...................................................................................................................................  0.247 mm (0.010 in.)

Exhaust

Standard ..........................................................................................................................................................  0.059 - 0.094 mm (0.002 - 0.0037 in.)
Maximum Allowable (Rocking Method) ...................................................................................................................................  0.414 mm (0.016 in.)