top of page
ChatGPT Image Feb 27, 2026, 09_27_25 AM.png
$34,900

LT1 E-ROD 
Land Rover Defender LT1 E-ROD & 8L90 Conversion Kit

A complete, US-engineered emissions-compliant installation kit. Certified LT1 E-ROD powertrain, integrated electronics, cooling strategy, fuel system, exhaust compliance hardware, ancillaries, and all installation components — built for regulated North American markets and serious Defender builds.

ChatGPT Image Feb 27, 2026, 03_10_07 PM.png

What's Inside the Kit

ENGINE
GM - LT1 E-ROD Crate Engine Package
Factory Emissions Equipment
Catalytic Converter System
Complete Accessory Drive

TRANSMISSION & ADAPTER
GM 8L90 8-Speed Automatic Transmission
RRO - Transfer Case Adapter
RRO - Transmission Crossmember
Transmission Cooler
Stainless Steel Braided Transmission Cooler Lines

PROP SHAFTS
New Front and Rear Prop Shafts (Includes Hardware)

ELECTRICAL ASSEMBLIES
GM E-ROD Engine Control Module (ECU) + Emissions-Compliant Wire Harness w/Control Seals
OBD-II Diagnostic Port
Evaporative System Integration
RRO - Proprietary Mounting Hardware

GEAR SHIFT ASSEMBLY
Gear Shifter - LoCar Shifter w/Indicator Strip
RRO - Proprietary Mounting Hardware

RADIATOR PACKAGE
High-Capacity Aluminum Radiator
Radiator Hoses
Dual Electric Cooling Fans
RRO - Proprietary Mounting Hardware

EXHAUST SYSTEM
RRO - Catalytic Converter Integration
RRO - 3" Std Aluminized Steel Center Silencer
RRO - 3" Std Aluminized Steel Tailpipe

FUEL SYSTEM
RRO - HF-1 Proprietary High-Flow In-Tank Fuel Pump
Direct Injection Compatible Fuel Delivery System
Vapor Management Integration
In-Line Fuel Filter

AUXILIARY COMPONENTS
Electric/Hydraulic Power Steering
Optional A/C Integration

What This System Is Not

• Not a crate engine drop-in
• Not a partial compliance solution
• Not a universal LT adaptation
• Not an emissions-uncertain shortcut

This is a complete compliance-integrated Defender platform — developed through real-world builds.

Investment

System pricing varies based on:

• Emissions configuration
• Transmission selection
• Installation pathway
• Optional upgrades

Installed compliant conversion projects typically range:

$70,000 – $100,000

Final investment determined during structured consultation.

Ready to Modernize Your Defender?

[ Request Build Consultation ].    |     [ Secure Your Production Slot ]

Overview

The Rad-Rover LT1 E-ROD Defender Conversion System delivers emissions-compliant 6.2L V8 performance with structured integration engineered specifically for the Defender chassis.

This is not a crate engine adaptation.

It is a complete, compliance-integrated, platform-specific system refined through more than 100 Defender and Series conversions — developed, tested, and hand-built in Ames, Iowa · USA.

The LT1 E-ROD Platform

The 6.2L GM LT1 E-ROD combines modern direct injection performance with factory-certified emissions compliance. 

Typical Output:
430–460 horsepower
425+ lb-ft torque 

Characteristics:

• Emissions-certified configuration
• Modern throttle mapping
• Broad torque delivery
• Direct injection efficiency
• Full documentation support 

It delivers modern V8 performance with regulatory confidence — without sacrificing drivability.

Engineered for Defender Chassis

The Defender platform presents unique engineering challenges:

• Limited frontal airflow
• Tight engine bay packaging
• Steering clearance constraints
• Transfer case alignment sensitivity
• Emissions packaging considerations 

Our system addresses these directly. 

Cooling, exhaust routing, catalytic integration, and driveline geometry are developed specifically for Defender architecture — not adapted from universal E-ROD packages.

Transmission Options

8L90 Automatic
• Modern 8-speed refinement
• Reduced highway RPM
• Optimized shift mapping
• Ideal for compliant daily-driven builds 
 

Manual Transmission (select configurations)
• Compatible with certain installations
• Proper clutch integration
• Defender-aligned geometry 
 

Transmission integration includes transfer case compatibility and driveline alignment.

Why Rad-Rover

Few engineer them properly for the Defender platform.

 

Rad-Rover combines:

• In-house fabrication
• Structured cooling solutions
• Refined driveline geometry
• Clean electrical integration
• Real-world installation experience

 

Engineered + Hand-Built in Ames, Iowa · USA.

bottom of page