OEM GM / ACDelco throttle body, from LS3 / LS7.
These are 4 bolt drive by wire throttle bodies. Use at your own discretion for your application. Connector is a standard LS Gen 4 6-pin. Will not work with truck 8-pin connectors.
Early LS3 and LS7 used silver-blade throttle bodies which may not be directly compatible with the gold blade depending on your ECM.
Current part number: 19420707 or 217-3153
Old part number: 12605109