Stage 3 Package

$69,995.00

Stage 3 Kit for Mark IV – Ultimate Build with Full Rolling Chassis and Premium Components

Elevate your Mark IV build to the pinnacle of performance and convenience with our comprehensive Stage 3 Kit. Designed for enthusiasts who desire a seamless assembly experience, this package includes all items from the Stage 2 Kit (except the pre-fabricated frame) and adds a fully assembled rolling chassis featuring premium components. With upgraded steering, heavy-duty suspension, Fox shocks, and all the details outlined in our rolling chassis description, the Stage 3 Kit provides the ultimate foundation for your custom sport utility vehicle.

What's Included in the Stage 3 Kit:

Full Rolling Chassis:

  • Upgraded Steering Box and Linkage:

    • High-Performance Steering Box: Features an upgraded Jeep JK steering box for exceptional steering accuracy and responsiveness.
    • Complete Steering Linkage: Includes all necessary components for precise and reliable steering control.
  • Heavy-Duty Control Arms & Suspension:

    • Heavy-Duty Control Arm Kit: Built with Clayton Offroad components and specs, designed for rugged off-road performance and improved handling.
    • Premium Suspension Components: High-strength springs and bushings for enhanced durability and ride quality.
  • Fox Shocks:

    • Front and Rear Fox Shocks: High-performance shocks providing smooth, responsive suspension and superior control on all terrains.
  • Dynatrac Dana 44 Front Axle & Dana 60 Rear Axle:

    • Heavy-Duty Axles: Engineered for extreme durability and off-road capability, offering unmatched strength and reliability.
  • OEM Fuel System with GM Performance ZL1 Fuel Pump:

    • High-Flow Fuel Pump: Ensures consistent fuel delivery to support high-performance engines.
    • Pre-Installed Fuel Lines: Seamless integration for efficient fuel flow.
  • Pre-Installed Brake Lines:

    • Ready for Braking System Integration: Simplifies the installation of your performance braking components.

Body and Interior Components:

  • Body Tub:

    • The core structure of your Mark IV, precisely crafted for perfect fit and iconic styling.
  • Half Door Kit:

    • All four half doors, offering classic aesthetics with functionality and safety.
  • Rear Tailgate Kit:

    • Drop-down tailgate assembly for convenient cargo access.
  • Door Cards:

    • Set of four aluminum door panels with custom cutouts for audio integration or personalization.
  • Front Fenders:

    • Bare aluminum fenders replicating the original lines of the classic British 4x4.
  • Radiator Surround and Heritage Style Grille:

    • Enhances front-end aesthetics with timeless appeal.
  • Interior Seating:

    • First and second-row captain's chairs in durable black vinyl for comfort and style.
  • Dashboard, Glovebox, and Gauges:

    • Custom-designed dashboard with seamless integration of gauges and a drop-down glovebox.
  • Brake Pedal Assembly
  • Seat Bracket Kit
  • Steering Column Kit
  • Battery Tray
  • Center Console Kit

Key Features:

  • Fully Assembled Rolling Chassis:

    • Time-Saving Convenience: Eliminates extensive assembly and welding, allowing you to focus on customization.
    • Precision Built: Components are pre-installed and aligned for optimal performance.
  • Premium Components for Superior Performance:

    • Upgraded Steering and Suspension: Provides exceptional handling, control, and off-road capability.
    • Heavy-Duty Axles and Control Arms: Ensures durability and reliability under extreme conditions.
  • Upgrade Flexibility:

    • Drivetrain Options: Use your OEM Jeep driveline or upgrade to GM LS or LT engines with our engineered motor mounts.
    • Bolt-On Solutions: Compatible with our performance upgrade components for enhanced power.
  • High-Quality Materials:

    • Durability and Longevity: Components made from premium materials like aluminum and heavy-duty steel.
  • Authentic Styling with Modern Comfort:

    • Classic Aesthetics: Captures the iconic look of the World's most iconic British 4x4.
    • Modern Functionality: Offers comfort and convenience features expected in today's vehicles.

What You Need to Provide:

To complete your Mark IV build using the Stage 3 Kit, you will need to supply:

  • Drivetrain Components:

    • Engine and Transmission:

      • Use your OEM Jeep engine and transmission, or upgrade to a GM LS or LT engine with our motor mounts.
    • Transfer Case:

      • Select a compatible transfer case suitable for your drivetrain setup.
  • Electrical Systems:

    • Wiring harnesses
    • Lighting (headlights, taillights, indicators)
    • Battery and electrical accessories
  • Additional Interior Elements:

    • HVAC system (heating, ventilation, air conditioning)
    • Audio components (speakers, head unit) if desired
    • Custom upholstery or interior finishes beyond the included seating
  • Miscellaneous Hardware and Fasteners:

    • Bolts, screws, brackets, and other hardware not included in the kit that may be required for your specific build

Why Choose the Stage 3 Kit:

  • Ultimate Convenience and Time Savings:

    • Ready-to-Assemble: With the rolling chassis pre-assembled, you can significantly reduce build time and complexity.
  • Performance-Ready Foundation:

    • Premium Components: High-quality parts ensure your Mark IV is equipped for high-performance driving, both on and off the road.
  • Customization Flexibility:

    • Adaptable to Your Vision: Ideal for builders who want a comprehensive package with the freedom to choose their own drivetrain and additional components.
  • Quality Assurance:

    • Blackbridge Standards: All components meet our rigorous standards for craftsmanship and durability.
  • Expert Support:

    • Guidance Every Step of the Way: Our team is available to assist with advice, troubleshooting, and ensuring your build meets your expectations.

Take your Mark IV build to the ultimate level with the Stage 3 Kit, featuring a fully assembled rolling chassis and premium components for unparalleled performance and convenience.

Order now and bring your dream Mark IV to life with Blackbridge Motors.


If you have any questions about what's included or required, or need guidance on sourcing suitable drivetrain components, please don't hesitate to contact our customer support team. We're here to make your building experience as smooth and enjoyable as possible.