Idk they were on the truck when I bought them. They look like they don't rely on angle. I think the headlights were sport converted and then got hids later on

Are the HID bulbs in there by themselves or is there a second bulb sitting parallel to the HID? (As part of one unit, sharing the same base)

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They are the dual beam housings, with hids in the low beam spot and halogens in the high beam spots.