Description
WCFab 2001-2004 LB7 Duramax S400/Stock Twin (Compound) Turbo Kit WCF100570
Fits: 2001-2004 Chevy/GMC 2500HD/3500HD LB7 Duramax
2001-2004 LB7 Duramax S400/Stock Compound Turbo Kit. 1000 RWHP capable depending upon turbo and fuel system modifications. Recommended for daily driver work trucks and tow rigs looking for increased horsepower, better fuel mileage, and superior EGT control with stock-like turbo spool characteristics.
Recommended Combinations:
S475 / Stock IHI Turbo - Up to 750 RWHP with Supporting Modifications - Best Turbo Spool, performs well on stock fuel setups. Calibrated Power DT750 Built Allison transmission recommended.
S480 / Stock IHI Turbo - 800+ RWHP Capable with Supporting Modifications - Better top end performance that sacrifices a bit of spool on the low end compared to an S475/stock setup. Calibrated Power DT1000 Built Allison transmission recommended.
S480 / Stealth Mach 1 64 Drop In Turbo - 900+ RWHP Capable with Supporting Modifications - Improved top end power with moderate spool characteristics. Calibrated Power DT1000 Built Allison transmission recommended.
Don't see what you're looking for here? Check out our S400/S300 or S400/S400 kits for ultra high performance applications or give our specialists a call at 630-277-8239 for assistance custom building a setup that will work best for your needs.
***This kit requires removal / relocation of the passenger side battery.***
Product Notes
This kit Requires Custom Tuning for proper operation and performance.
We recommend kits to be installed by a qualified diesel performance shop or mechanic.
Lead time (per manufacturer): Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Wehrli Custom Fabrication (WCFab) — USA made. Part number: WCF100570.
California and Emissions Notice
This product is not legal for sale or use in California, or on any pollution-controlled motor vehicle where state or local law prohibits it. It does not have a California Air Resources Board (CARB) Executive Order. You are responsible for checking and following the emissions laws in your state before you buy and install it. Questions? Call us at 479-799-3953.
