Thats the one I used too except in the natural aluminum finish not blackSuper Shops pan on Amazon fits perfect, and ships directly from Holley in Kentucky for $259.
Super Shops SS11003 GM LS Retro Fit Oil Pan 1955-87 GM/Muscle Car/Classic Car/Truck Black Finish https://www.amazon.com/dp/B08L3YLKC6/?tag=gbody-20