<p>Technic, Engine Cylinder with Side Slots</p>
<p><a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=2850" rel="noreferrer">https://www.bricklink.com/v2/catalog/catalogitem.page?P=2850</a></p>

CC BY-SA 4.0
2020-11-02T23:48:24.723Z
2020-11-02T23:48:24.723Z
Craig
<p>This one is used to build engines, used in V or I engines like this: <a href="https://www.lego.com/en-my/kids/videos/technic/lltechnicvideoquickbuildvengineglobalaug18-72a8b84a0c864c79a040a2645755444a" rel="noreferrer">link</a></p>

CC BY-SA 4.0
2020-11-05T16:23:36.063Z
There's a flat configuration too. Look at the engine of this one: https://www.lego.com/en-us/product/porsche-911-rsr-42096
David Kryzaniak
CC BY-SA 4.0
2020-11-03T08:52:17.883Z
2020-11-03T08:52:17.883Z
Hung Vu Dinh
<p><a href="https://i.sstatic.net/XZKBe.jpg" rel="noreferrer"><img src="https://i.sstatic.net/XZKBe.jpg" alt="unknown piece" /></a></p>
<p>Can anyone tell me what LEGO piece this is?</p>

CC BY-SA 4.0
2020-11-03T14:48:14.897Z
Welcome to Bricks.StackExchange. Please edit your question title to be more descriptive regarding the piece in question. As currently written, it has zero search value for future readers.
TylerH
<part-identification>
I don’t know what LEGO piece this is with a large hole going through its center
David Domsch
# I don’t know what LEGO piece this is with a large hole going through its center

(Asked by: username_0 on 2020-11-02)

[![unknown piece](https://i.sstatic.net/XZKBe.jpg)](https://i.sstatic.net/XZKBe.jpg)

Can anyone tell me what LEGO piece this is?

**Tags:** part-identification

> **Comments:**
> **username_1**: Welcome to Bricks.StackExchange. Please edit your question title to be more descriptive regarding the piece in question. As currently written, it has zero search value for future readers.  

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## 2 answers

### Answer by username_2 on 2020-11-02. Score: 29

Technic, Engine Cylinder with Side Slots

<https://www.bricklink.com/v2/catalog/catalogitem.page?P=2850>


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### Answer by username_3 on 2020-11-03. Score: 5

This one is used to build engines, used in V or I engines like this: [link](https://www.lego.com/en-my/kids/videos/technic/lltechnicvideoquickbuildvengineglobalaug18-72a8b84a0c864c79a040a2645755444a)

> **Comments:**
> **username_4**: There's a flat configuration too. Look at the engine of this one: https://www.lego.com/en-us/product/porsche-911-rsr-42096  

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