Replacement O-Ring for S400 Compressor outlet flanges.
Used with:
- LB7 Duramax S400 Single Turbo Install Kit (WCF100489)
- 2004.5-2007 5.9L Cummins S400 High Mount 2nd Gen Swap Kit (WCF100486)
- 2003-2007 5.9L Cummins S400/Stock Twin Turbo Kit (WCF100567)
- 2003-2007 5.9L Cummins S400/S400 Side by Side Compound (Twin) Turbo Kit (WCF100580)
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