1.) Remove the stem/mouthpiece. 

2.) Remove the top lid

3.) Pull out the black gasket and zirconia inner sleeve


1.) Attach black gasket to zirconia inner sleeve 

2.) Insert the gasket and inner sleeve into the heat sink body (turn heat sink upside down and press down onto flat, hard surface)

3.) Snap heat sink top/lid onto the heat sink over the gasket

4.) Insert stem/mouthpiece 

5.) Test heat sink for air bypass >>> Air Bypass Test

Reassemble Stealth Heat Sink