This CHRA replaces the S5 Version 1 CHRA.   V2 has Generation 2 aero which has flow and spool improvements over the Gen 1 GTX compressor wheel that is used in the version 1 S5 turbocharger.    Don't rebuild that used CHRA just buy one new!  Comes with our 1 year warranty!  

CHRA comes with:

• Inner and outer adapter O rings
• oil outlet gasket
• (4) 14mm copper washers
• (2) 12mm copper washers
• BNR decal