Where do I find my serial number?
There are a few different places where the serial number is located.
- On the outside of the blue packet that comes with your BluePrint crate engine: 
- Top of the dyno sheet that came with your engine: 
- Side of the engine block   
- Stamped into the back of the bell housing. 
![IN CRATE ENGINES..png]](https://knowledgebase.blueprintengines.com/hs-fs/hubfs/IN%20CRATE%20ENGINES..png?height=40&name=IN%20CRATE%20ENGINES..png)