help? why cant i put a hood??

https://preview.redd.it/uzig4v9i1nae1.png?width=1536&format=png&auto=webp&s=4ea74bbcdd3446a050f2a4fa93061cd9d9f947aa

i can put the side wing but not a hood...... why

EDIT: Forgot to mention, Bolt Atlanta V8 OHV in CMS 18