These are 42# Injectors with a EV6 connector.

These genuine Bosch 42# injectors are the only direct fit larger 42# injector for a '04+ Grand Prix, usually to avoid changing the injector plugs, the '04+ Grand Prix customers have to run "EV6" 60# injectors. These have an EV6 connector and of course come with new injector o-rings. Beware of the China look a likes on websites like eBay. PCM programming is required whenever your injector size is changed from stock.