LNF(Turbo) only, if you like to run rich or are stage 2+ overall you've probably burnt out your MAP Sensors at least once... These will withstand the higher temps and pressure.

(2) GM 3.3 bar map sensors (good to 33psi)
(2) O-rings
(2) GM Plug and Play wire harnesses

You will need to update your PCM as well,
In HP Tuners, set the MAP sensor linear to 65.89, MAP sensor offset to -6.35, Boost sensor linear to 65.89, and Boost sensor offset to -6.35

-info thanks to ZZPerformance, where they were purchased from and haven't been opened.