4 Inch Portal Gear Lift Kit for Defender MAX – 15% Dual Idler

Portal Gear Lift Kit for Defender MAX – 4 Inch Dual Idler Portal System

The High Lifter 4 Inch Portal Gear Lift Kit for Defender MAX is designed to provide increased ground clearance, improved torque, and superior durability for demanding off-road conditions. Built specifically for Can-Am Defender MAX models, this heavy-duty portal lift system allows riders to run larger tires while protecting key drivetrain components.

This portal gear lift kit for Defender MAX features a 15% dual idler gear reduction that spreads load across twice as many gear teeth. The dual idler gear design significantly reduces gear stress while delivering smoother and more reliable torque transfer to the wheels.

Whether you’re hauling gear on the job site, riding rugged trails, or tackling deep mud, this 4 inch portal gear lift kit for Defender MAX provides the clearance, durability, and performance needed to push your Can-Am Defender further.

Key Features

• 4 Inch Portal Lift – Adds additional ground clearance for extreme terrain.
• 15% Dual Idler Gear Reduction – Improves torque output while reducing drivetrain strain.
• Forged Portal Gear Boxes – Stronger than billet and cast aluminum housings.
• Dual Idler Gear Design – Spreads load across more gear teeth to reduce wear.
• Precision Ground Stainless Steel Rotors – Slotted rotors improve braking performance.
• Kevlar Fiber Gaskets – Oil and coolant resistant sealing system.
• Triple Seal Input Shaft – Prevents water intrusion and oil leaks.
• Heavy-Duty 5/16″ Steel Backing Plates – Reinforced for maximum durability.
• Optional Gearbox Venting – Reduces heat buildup and extends seal life.

Technical Specifications

• Lift Height: 4 Inches
• Gear Reduction: 15% Dual Idler
• Gear Material: Heat-treated alloy steel
• Gear Box Construction: Forged housing
• Rotor Type: Precision ground stainless steel
• Seal System: Dual spindle seals and triple input shaft seal
• Kit Includes: Four portal gear boxes

Tire Fitment

• Maximum Tire Size with Portal: 33 inches
• Maximum Tire Size with Forward Arms: 35 inches

Wheel Requirements

• Minimum Wheel Size: 14 inches
• 14 inch factory wheels require a 1 inch spacer
• 14 and 15 inch wheels cannot exceed 4.5 inch backspacing
• 16 inch or larger wheels cannot exceed 5 inch backspacing

Vehicle Compatibility – Can-Am Defender MAX

This portal gear lift kit for Defender MAX is designed for Can-Am Defender MAX models from 2017 through 2021.

• Can-Am Defender MAX HD8
• Can-Am Defender MAX HD10
• Can-Am Defender MAX HD10 DPS
• Can-Am Defender MAX HD10 XT
• Can-Am Defender MAX HD10 Lone Star
• Can-Am Defender MAX HD10 X MR
• Can-Am Defender MAX HD10 XT Cab

Why Choose This Portal Gear Lift Kit for Defender MAX?

The High Lifter Portal Gear Lift Kit for Defender MAX is built for riders and workers who demand reliability and serious off-road capability. With forged portal gear boxes, advanced sealing technology, and a torque-enhancing dual idler gear design, this portal lift system increases ground clearance while protecting critical drivetrain components.

If you’re looking to run larger tires, improve torque delivery, and upgrade your Can-Am Defender MAX for extreme terrain or heavy-duty work, this 4 inch portal gear lift kit for Defender MAX delivers the performance serious riders expect.

Cross-reference part/SKU numbers: PGL-415DI-C1D-1, 73-14453