Sale

Air and Fuel Superchargers, Turbochargers and Components

Wehrli

2001-2004 LB7 Duramax S400/Stock Twin Turbo Kit Flat Black

$3,455.00 $3,351.35 Save $103.65

SKU: W005 WCF100570-FB

Out of Stock
In Stock
Ships by Jun 12
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This Wehrli Custom Fabrication S400/Stock Compound Turbo Kit is designed for 2001-2004 LB7 Duramax engines. It is capable of up to 1000 RWHP depending on turbo and fuel system modifications, making it suitable for daily drivers, work trucks, and tow rigs seeking increased horsepower, better fuel mileage, and superior EGT control with stock-like turbo spool characteristics.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandWehrli
Part NumberW005 WCF100570-FB

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy