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Chevy Truck
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1990
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Suburban 3/4 Ton 2WD V8-454 7.4L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Valve Guide
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Specifications
Valve Guide: Specifications
Inside Diameter
Inside Diameter Standard
0.374-0.375 Inch (in)