the only complete Dmax swap kit on the market

Lambert Performance Labs at PRI 2025

We're proud to be the only company offering a comprehensive, plug-and-play swap kit for GM Duramax engines — including full support for the cutting-edge 3.0L LM2 Duramax platform.

From control systems to oil pans and mounts, we deliver true standalone capability with no compromises. Whether you're building a classic resto-mod or a custom off-road rig, our kits are engineered to make your Duramax swap seamless, reliable, and high-performance.

2006 LBZ Swap into a 1980 Cadillac pulling a trailer @kvonlambert Kevin Lambert

Duramax Swap parts

2001 - 2010 Duramax Swap Pan 2001 - 2010 Duramax Swap Pan 2001 - 2010 Duramax Swap Pan
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2001 - 2010 Duramax Swap Pan
from $1,500.00

Rear wheel drive low clearance oil pan for use on LB7, LLY, LBZ, LMM series engines

Hardware and dipstick included

Mild Steel pans are powder coated semi-gloss black unless otherwise requested

***trimming of oil pickup tube is needed for fitment, cutting instruction guide is included.

2006 Universal LBZ Swap Harness 2006 Universal LBZ Swap Harness 2006 Universal LBZ Swap Harness 2006 Universal LBZ Swap Harness
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2006 Universal LBZ Swap Harness
from $1,750.00

All harnesses are built with entirely new parts, no connectors are reused or repurposed

  • Custom heat shrinking and color matching available

  • Includes integrated fuse block with spare relay for fuel pumps

  • All that’s needed to run the engine is battery power, ground, and key power

  • No core exchange necessary

2001-2010 Duramax Swap Engine Mounts
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2001-2010 Duramax Swap Engine Mounts
from $210.00

2001-2010 Duramax 6.6 all engine variants

Mimics small block and big block engine mount placement

Used with the GM Clamshell style frame side mounts

Maintains approximate bellhousing to engine mount placement as older engines

Designed for direct swap into GM C/K trucks and square body trucks

Frame side engine mount location may require adjustment on custom or some Buick, Oldsmobile, Pontiac, and Cadillac cars

Big Dreams meet reality

Our goal was to simplify swaps that were otherwise unaccessable, and to bring your crazy swap ideas to the streets

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