Just took a closer look at the HobbyBoss Ju-88 from July 7, 2020. The engines are upside down (guess how I know!)
To complicate things further, the parts are keyed, but wrong even if right side up. The ventral housings are mirror images in the kit, whereas they are congruent in the actual plane.
I bought a half dozen of these when Squadron had a sale in the USD $5 range. This gave me three kits' worth of correct engines, which required grinding out the slots and keys for construction; and three kits to which I could add aftermarket eggs, or spares from AMT kits which contain both Ju