2000 Wr400 convert to 2003 Yz450 cams (exhaust & intake)

Hi im sorry if this topic has been talked about already but I am new to thumper talk.

 

I have a 2000 Wr400, and my friend has an old set of 2003 Yz450 cams he gave me to make the auto decompression swap.

 

I have read all of the articles on making the 400s auto decompression and i feel confident in making that swap.

 

My Queston is, Can I swap out both cams, the exhaust and intake?

 

Wondering if anyone has done this and what the results were.

 

Thank you.

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