Qt: I don't want to trash 1200 dollars worth of parts and 100 hours of work and research by forgetting tiny little part that would've only taken a few minutes to put in.
YES IT DOES have to be installed if it says it must.
How can you build a motor and not know this.
It's in the instructions on the cam.
Make sure you have a good timing chain cover, not a cheap chrome one. Don't forget to change the distributor gear.