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Home >> GMC >> 1995 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical 4.3L V6 - VIN [Z] >> Engine Specifications >> Cylinder Head

Cylinder Head

CYLINDER HEAD

Application Specification
Valve Seats
Intake Valve
Seat Angle 46°
Seat Width .035-.060" (.89-1.52 mm)
Maximum Seat Runout .002" (.05 mm)
Exhaust Valve
Seat Angle 46°
Seat Width .063-.094" (1.60-2.39 mm)
Maximum Seat Runout .002" (.05 mm)
Valve Guide Oil Clearance .001-.003" (.03-.08 mm)