The 2012 Chevrolet Equinox has double overhead cam (DOHC).
The 2012 Chevrolet Camaro has double overhead cam (DOHC).
The 2012 Chevrolet Impala has double overhead cam (DOHC).
The 2012 Chevrolet Traverse has double overhead cam (DOHC).
The 2012 Chevrolet Sonic has double overhead cam (DOHC).
The 2012 Chevrolet Colorado has double overhead cam (DOHC).
The 2012 Chevrolet Malibu has double overhead cam (DOHC).
The 2012 Chevrolet Cruze has double overhead cam (DOHC).
The 2012 Chevrolet Express has overhead valves (OHV).
The 2012 Chevrolet Corvette has overhead valves (OHV).
The 2012 Chevrolet Suburban has overhead valves (OHV).
The 2012 Chevrolet Tahoe has overhead valves (OHV).