Random set of the day: Auto Engines | Brickset: LEGO set guide and database
Amazon.com: MYMG Super Motor and Remote Control Upgrade Kit for Lego Technic Porsche 911 RSR 42096 Model, 3 Motors, Power Functions Motor Set Compatible with Lego 42096 Building Block Model(Model not Included) … :
LEGO MOC Piston engine inline four by AKM-Sky | Rebrickable - Build with LEGO
LEGO® Power Functions Motor Set 8293 | Technic™ | Buy online at the Official LEGO® Shop US
Aircraft Engine Model Building Kit | Radial Engine Aircraft Models - New High-tech - Aliexpress
Best Lego Technic Sets with Power Functions & Motors » Lego Sets Guide