Metallic98z

First off I want to say this is my first build ever never messed with an engine. Car is a 98 ls1 with 4l60e and 4.10 gears with locker . I plan on getting a Complete Cams Thumpr but don't know what to do get to go with it any help? Currently have 806 heads not sure what else you need to know just ask and I'll try to get a awnser asap any help would be appreciated.