Item 700-250-Z06:  C6 Z06 Cylinder Heads and Cam

C6 Z06 Cylinder Heads and Cam

Stock we were about 448 RWHP
Vortex ram Induction, BPP Step Headers and programming 504 RWHP
All the above plus Heads and Cam 557 RWHP

As for the work done I find it hard to believe that some of the other tuners are not taking the heads off to prep them. You generally find increased power in the upper RPM range if you go over the heads. Here’s what we do on the heads.