GoPro Max360

63inch Extendable Pole for GoPro... https://www.amazon.com/dp/B09GB7V5TQ?ref=ppx_pop_mob_ap_share

Delkin Devices Fat Gecko Triple Suction Camera Mount (DDMNT-TRIPLE) , Black https://www.amazon.com/dp/B00A86MMY8/ref=cm_sw_r_apan_i_G3MQSMFV6X76SJMT4NH2?_encoding=UTF8&psc=1

I don't know anything about bull bar installation, but it seems extreme just to mount a go pro. A quick look on Amazon shows many suction cup mount options, including some tri-mount ones that will let you get the camera further from the car surface and keep it from wobbling. Example: https://www.amazon.com/Delkin-DDMNT-TRIPLE-Gecko-Three-Arm-Suction/dp/B00A86MMY8/ref=sr_1_4?keywords=gopro+car+mount&qid=1676484635&sr=8-4&ufe=app_do%3Aamzn1.fos.006c50ae-5d4c-4777-9bc0-4513d670b6bc

There's some longer/heavier duty ones on B&H too https://www.bhphotovideo.com/c/product/1210971-REG/came_tv_sk01_video_camera_suction_cup.html

Something like this: https://www.amazon.com/Delkin-DDMNT-TRIPLE-Gecko-Three-Arm-Suction/dp/B00A86MMY8