2007.5-2010 LMM Duramax Allison 4x4 Transfer Case Brace Sparkle Copper Two Stage Powder Coating WCFab

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Y-Bridge Kit, for 2001-2004 Duramax LB7, Metallic Candy Red

  • style Y-Bridge
  • Size 3 Inch
  • Sold As Kit
  • Finish Type Powder Coated
  • Finish Color Metallic Candy Red


  • NOTE: WILL NOT FIT WITH A BANKS INTERCOOLER. If you have a banks intercooler use Y-bridge kit WCF100640.
  • NOTE: If running a turbo other than factory a minimum T4 pedestal height with an S300 is 5 Inch and with an S400 is 6 Inch for proper clearance to Y-bridge.
  • 3 Inch Fabricated Y-Bridge
  • 3 Inch Passenger Side Intercooler Pipe
  • FPRV Block Off Kit
  • Silicone Boots and Stainless T-bolt Clamps
  • Bridge Flange Gaskets
  • Map Sensor Seal and Hold Down Bracket
  • Custom Two Stage Powder Coating

The only High Flow 3 Inch Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo! Also compatible with WCFab S300 or S400 single turbo install kits! Replace the restrictive OEM Y-bridge and cold side intercooler pipe with this high flow 3 Inch kit to increase throttle response and turbo spool up by creating a full 3 Inch intake tract from the intercooler outlet to the engine. Eliminates the angled OEM intercooler boots that are prone for failure. Includes FPRV Block off kit to allow proper clearance to larger diameter Y-bridge.