Aerostar 2WD V6-183 3.0L (1991)
Valve: Specifications
Intake Valve Head Diameter .................................................................................................................................................................. 40.0 mm (1.57 in.)
Exhaust Valve Head Diameter ................................................................................................................................................................ 33.0 mm (1.30 in.)
Valve Face Runout Limit ...................................................................................................................................................................... 0.05 mm (0.002 in.)
Valve Face Angle ........................................................................................................................................................................................................... 44°
Intake Valve Stem Diameter (std.) ............................................................................................................................. 7.960-7.940 mm (0.3134-0.3126 in.)
Exhaust Valve Stem Diameter (std.) .......................................................................................................................... 7.948-7.928 mm (0.3129-0.3121 in.)
Oversize Valve Stem Diameter
Intake Valve Stem Diameter (oversize) ........................................................................................................... 8.340-8.320 mm (0.3283-0.3276 in.)
Exhaust Valve Stem Diameter (oversize) ........................................................................................................ 8.328-8.308 mm (0.3279-0.3271 in.)
Intake Valve Stem Diameter (oversize) ........................................................................................................... 8.720-8.700 mm (0.3433-0.3425 in.)
Exhaust Valve Stem Diameter (oversize) ........................................................................................................ 8.708-8.688 mm (0.3428-0.3420 in.)
