What is the spark plug gap on 2008 chev silverado six cylinder?

The recommended spark plug gap for a 2008 Chevrolet Silverado with a 6-cylinder engine (likely a 4.3L or 4.8L) is 0.040 inches (1.0 mm). However, it's crucial to check your owner's manual. The specific gap might vary slightly depending on the exact engine and whether you're using the original equipment manufacturer (OEM) spark plugs or an aftermarket replacement. Always prioritize the information found in your owner's manual.