This CHRA replaces the S4 CHRA.   There are 5 product updates of the S4 since 2013.  Don't rebuild that used CHRA just buy one new!  Comes with our 1 year warranty!  

Version 3 has been discontinued.  V1 or V2 CHRA is a direct replacement.  V1/2 have a cast compressor wheel and not billet like the V5 pictured.

V5 is the newest product and it drops directly into the v4 turbochargers.   Expect better response and about 30 more hp over the v4!   If you want to update v1-3 units, please contact us!

CHRA comes with:

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