Exhaust Manifold Gasket, Duramax 2001-2016 Silverado/Sierra 2500HD/3500HD LB7/LLY/LBZ Merchant Automotive

1/8 Inch NPT Stainless Steel Weld Bung, Duramax 2001-2025 Silverado/Sierra 2500HD/3500HD LB7/LLY/LBZ Merchant Automotive

Max Flow Left Side Manifold Upgrade Kit, Duramax 2001-2010 Silverado/Sierra 2500HD/3500HD LB7/LLY/LBZ Merchant Automotive

Intake Tube Seal Kit, Duramax, Sold as One Pair 2006-2010 Silverado/Sierra 2500HD/3500HD LLY/LBZ/LMM Merchant Automotive

Intake Tube Seals 2004-2005 Silverado/Sierra 2500HD/3500HD LLY Merchant Automotive

ARP Exhaust Manifold to Cylinder Head Bolt Kit, Duramax 2001-2016 Silverado/Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Merchant Automotive