????Intake Horn Anti-Surge Ring for Silverado 2500 3500 L5P Duramax 2017-21. Fit For GMC Sierra 2500HD/3500HD 6.6L Duramax LB7 2001-2004.5. Fit For Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LB7 2001-2004.5.
This product would be ideal for GMC 6.6L Duramax LB7 owners in 2001-2004 models needing pressure relief for their fuel rail.
