2001-2004 LB7 S400 Kit! (TURBO: FIS 464/83 .9AR)

This kit will work on a 2004.5-2005 LLY with a non-California LB7-style Y-bridge and cold side tube (please let us know if you plan on installing this kit on an LLY).

This kit was designed to utilize the stock one-piece Y-bridge and cold side intercooler pipe but will work with any aftermarket Y-bridge kit.

This is a full turn-key, plug-and-play kit. 100% complete kit to drop an S400-based charger in your LB7. This kit utilizes 100% 304 stainless steel and 6061 aluminum. Absolutely zero mild steel in our turbo kits!

Includes:

• 1 - 2" 304 Stainless Steel T4 pedestal
• 1 - Stock Turbo oil feed billet plug
• 1 - New turbo drain gasket
• 1 - Braided -12an Turbo Drain line
• 1 - S400 body billet turbo drain fitting
• 2 - S400 drain bolts
• 1 - Stainless steel turbo pedestal
• 1 - T4 turbo gasket
• 4 - Turbo pedestal studs
• 4 - Turbo pedestal flare nuts
• 2 - Billet Coolant feed plugs
• 2 - Hose clamps for coolant plugs
• 1 - O-ringed Block oil feed fitting
• 1 - Braided oil feed line
• 1 - NPT turbo feed fitting
• 1 - Hot side pipe clamp
• 1 - 3” boot
• 2 - 3” T-bolt clamps
• 1 - 3” aluminum hot side tube
• 1 - 5” boot
• 2 - 5” T-bolt clamps
• 1 - 5” intake with included MAF bung hardware
• 1 - 5” air filter and clamp
• 1 - Downpipe clamp
• 1 - 3.5” Stainless steel downpipe
• 1 - Driver's side transmission dipstick tube
• 1 - Step-by-step install instructions booklet

If you do not have or are not planning on purchasing a forward-facing thermostat housing, we will include a modified Upper Coolant Tube with your kit.

For turbo sizing questions, please feel free to reach out, and we would be happy to help. All TNT Chargers have approximately a 15-day lead time.

If you are not using one of our turbochargers, please state the brand and size in the cart notes so we can ensure proper fitment of flanges to your turbo configuration.

PPE or similar extended manifolds/up pipes may require a small modification in the downpipe for clearance of the 3.5” tubing.

Will not fit on a California Emissions style LB7.

Build and Coat time: 2-3 weeks. ⏳

Custom powder coat color available (select “Custom Colour” and state color in cart notes). 🎨 See color options:  Prismatic Powders Canada

Title Tag: LB7 S400 Turbo Kit - FIS 464/83 .9AR - 2001-2004 Duramax

Meta Description: Upgrade your LB7 Duramax with a complete S400 turbo kit! 🚀 Includes everything needed for installation. Compatible with stock and aftermarket components. 2-3 week build time. Shop now! 🔥