Engineered to Outperform the Original
Factory Frames Are Holding You Back
Most Defender builds begin with a frame that’s already warped, rusted, or poorly repaired. You're starting with a problem. The Mark X gives you a fresh start. Laser-cut, modular, and precision-fit to OEM specs, it eliminates the fabrication guesswork and lets you build with confidence from day one.
Designed for Builders Who Are Done Compromising
Every detail matters. If your chassis isn’t right, nothing else can be. Using the original frame is the one decision that can ruin an entire build. The Mark X was engineered to meet the standards your build demands. Precision fitment, modern geometry, zero compromise.
3 Ways to Start Your Build
Stage 1
This foundation for your Land Rover Defender Restoration proving essential structural components to modernize your Defender's foundation. It includes the Blackbridge Engineered Modular System, heavy-duty Dynatrac axles with HD 4.11 gears, a 4-link rear suspension system, adjustable sway bars, and high-performance Fox Racing 2.0 coilovers. Designed for seamless compatibility with OEM Defender body mounting locations, it ensures a perfect fit for your build
Stage 2
Building upon Stage 1, the Stage 2 package adds fully turn-key, critical supporting components for enhanced performance. A fully integrated fuel tank with OEM GM Performance fuel pump, CNC'ed brake lines and a returnless fuel line system are just some of the features included in our Stage 2 package. This stage transforms your chassis into a rolling platform, ready for further customization.
Stage 3
Stage 3 offers a comprehensive, ready-to-install chassis solution. In addition to all Stage 2 components, it includes a GM LT1 6.2L V8 engine, 8-speed automatic transmission, transfer case and a complete driveline accessory setup. This package delivers unparalleled performance, reliability, and modern functionality, streamlining your build process.
