The 2004 Chevrolet Express has 12 valves.
The 2004 Chevrolet Tahoe has 16 valves.
The 2004 Chevrolet Impala has 12 valves.
The 2004 Chevrolet Colorado has 16 valves.
The 2004 Chevrolet Corvette has 16 valves.
The 2004 Chevrolet Suburban has 16 valves.
The 2004 Chevrolet Malibu has 16 valves.
The 2004 Chevrolet Silverado-2500HD has 16 valves.
The 2004 Chevrolet Express-Cargo has 12 valves.
The 2006 Chevrolet Impala has 12 valves.
The 2014 Chevrolet Malibu has 16 valves.
The 2013 Chevrolet Express has 16 valves.