Free images results:

Engine pictures, stock photos and images


Old engine Royalty Free Stock Images
Author: Garlic
Hotrod Royalty Free Stock Image
Author: Klikk
Train Stock Photography
Author: Andyb1126
Hot Rod Stock Images
Author: Rodehi
Biker Royalty Free Stock Photo
Author: Chelnok
Jet fighter Royalty Free Stock Photos
Author: Euler
No3 Stock Photography
Author: Falcon stock
Car_10 Stock Images
Author: Clv69

Also, here are some commercial RF-licensed images that match your search criteria:  
Engine Royalty Free Stock Photo
Author: Gudella