74Weld NGA Portal Axle Kit for 2025+ Toyota 4Runner Off-Road Lift

Transform your 2025+ Toyota 4Runner with the NGA Portal Axle Kit. By raising the axle centerlines instead of just the chassis, this system delivers real ground clearance while keeping confident on-road manners. A hub reduction provides 22% torque multiplication, helping offset larger 35–37 inch tires with less need to re-gear. Built with race-bred materials and engineered to retain factory ABS compatibility, it’s a purpose-built upgrade for serious use.

Features:

• Raises axles for real ground clearance and improved diff height
• 22% torque multiplication at the hub for better crawl and control
• Billet 7075 aluminum knuckles with steel inserts for strength
• Billet 6061 aluminum portal boxes for long-term durability
• 4340 heat-treated full-float rear axle shafts
• Dedicated front and rear rotors, factory ABS compatible
• Optimized suspension geometry to retain steering feel and scrub radius
• Supports 35–37 inch tires with proper fitment

Specifications

Gear Reduction: 1.22:1 (22% at the hub)

Lift Height: Approximately 3.88 inches (axle-centerline gain)

Track Width Increase: +2.75 inches per side (approximately +5.5 inches overall)

Knuckle Construction: Billet 7075 Aluminum with Steel Inserts

Portal Box Construction: Billet 6061 Aluminum

Rear Axle Shafts: 4340 Heat-Treated Full-Float

Brake Compatibility: Dedicated Front & Rear Rotors, Factory ABS Compatible

Suspension Geometry: Optimized width/scrub, retains stock suspension

Tire Compatibility: Supports 35–37 inch tires

What You Gain

By moving the gear reduction to the hubs, this kit multiplies torque where it matters and lifts the differentials off the ground. You gain improved obstacle clearance, better low-speed control, and reduced drivetrain stress all while maintaining on-road comfort and precision.

Fitment and Notes

Vehicle: 2025+ Toyota 4Runner

Wheels and Tires: Wider track width may require wheel offset changes or fender coverage adjustments. Verify beadlock and spoke clearance at the portal housings and calipers.

Brakes and ABS: Uses dedicated rotors and maintains full factory ABS functionality.

Installation: Professional installation, alignment, and torque verification are recommended. 

Included Components

Portal knuckles and boxes, dedicated front and rear rotors, 4340 full-float rear axle shafts, all required hardware, and model-specific integration components. Exact contents may vary by configuration.

Built for confident adventures with real clearance, torque advantage, and lasting durability.