The 2007 Chevrolet Impala has 12 valves.
The 2007 Chevrolet Colorado has 16 valves.
The 2007 Chevrolet Suburban has 16 valves.
The 2007 Chevrolet Corvette has 16 valves.
The 2007 Chevrolet Malibu has 16 valves.
The 2007 Chevrolet Equinox has 12 valves.
The 2007 Chevrolet Tahoe has 16 valves.
The 2007 Chevrolet Express has 16 valves.
The 2007 Chevrolet Silverado-2500HD has 16 valves.
The 2007 Chevrolet Silverado-3500HD has 16 valves.
The 2007 Chevrolet Express-Cargo has 12 valves.
The 2006 Chevrolet Impala has 12 valves.