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Home >> Chevrolet >> 2002 >> Express 1 Ton Van V8-8.1L VIN G >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve, Intake/Exhaust
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Valve, Intake/Exhaust

Face Angle (Intake/Exhaust) 45°
Stem Clearance Production Intake 0.025-0.074 mm (0.0010-0.0029 inch)
Stem Clearance Production Exhaust 0.030-0.079 mm (0.0012-0.0031 inch)
Stem Clearance Service Intake 0.025-0.088 mm (0.0010-0.0034 inch)
Stem Clearance Service Exhaust 0.030-0.091 mm (0.0012-0.0036 inch)
Valve Head Diameter - Intake 55.63 mm( 2.19 inch)
Valve Head Diameter - Exhaust 43.69 mm (1.72 inch)
Valve Stem Diameter - Intake 9.436-9.454 mm (0.3715-0.3722 inch)
Valve Stem Diameter - Exhaust 9.431-9.449 mm (0.3713-0.3720 inch) Maximum
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