Cylinder Head: Valves
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Valves with .003" (.08 mm) and .015" (.38 mm) oversize stems are available for worn valve guides.