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Home >> GMC >> 1980 >> Rally G3500, Van Cargo >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 305", 350" & 400" V8 Engines >> Valves >> Valve Guide Servicing

Valve Guide Servicing

If valve stem to guide clearance is excessive, valves with oversize stems are available. Oversize valve stems are available 0.003", 0.015" and 0.030" oversize. Using a suitable reamer (Reamer Kit No. J-5830) ream guides to correct size for oversize valve stems.