Technic Engine Cylinder (Undetermined Type) : Part 2850 | BrickLink
LEGO Transparent Engine Cylinder with Slots in Side (32061 / 79190) | Brick Owl - LEGO Marketplace
Amazon.com: Yanscian 6 Cylinder L6 Engine Model Building kit Set Hobby DIY STEM Toy for Kids & Adults with Guide 500+ Pieces, Toy Building Set, Build Your own Engine That Runs, Mini
LEGO 55-piece set for an 8-cylinder engine as in the 42000 kit. : Amazon.com.be: Toys
LEGO MOC Lego Pneumatic Engine 3 In-line by Nico71 | Rebrickable - Build with LEGO
LEGO IDEAS - Large Technic Engine Cylinder
Exploring Piston Engine Design With LEGO | Hackaday