4 Inch Portal Gear Lift Can-Am Defender – 30% Dual Idler High Lifter Kit
The 4 Inch Portal Gear Lift Can-Am Defender from High Lifter is engineered to deliver increased ground clearance, improved torque, and superior drivetrain protection for Can-Am Defender models. Designed for demanding off-road conditions, this heavy-duty portal lift kit helps your UTV tackle deep mud, rocky terrain, and oversized tires with confidence.
This portal system features a powerful 30% dual idler gear reduction that improves torque delivery while reducing stress on drivetrain components such as belts, axles, differentials, driveshafts, and gears. High Lifter enhanced the portal gearbox by adding a second idler gear, which spreads the load across twice the number of gear teeth. This design increases the contact area, reduces stress by nearly half, and ensures smoother and more reliable torque transfer.
The 4 Inch Portal Gear Lift Can-Am Defender includes four forged portal gear boxes designed for extreme durability. Forged aluminum housings are significantly stronger than cast or billet aluminum used by many competitors, providing long-lasting reliability even in harsh off-road environments.
Key Features
- 4 Inch Portal Lift – Adds additional ground clearance for mud, rocks, and off-road obstacles.
- 30% Dual Idler Gear Reduction – Provides greater low-end torque and improved drivetrain performance.
- Forged Portal Gear Boxes – Stronger construction than cast or billet aluminum housings.
- Improved Drivetrain Protection – Helps reduce belt wear and protects axles and differentials.
- Engine Braking Improvement – Gear reduction reduces brake usage and extends brake life.
- Kevlar Fiber Gaskets – High-density material resists oil, coolant, and compression.
- Advanced Sealing System – Dual spindle seals and triple input shaft seal prevent leaks and water intrusion.
- Heavy-Duty Steel Backing Plates – 5/16″ steel plates with bent flanges and welded gussets for strength.
- Precision Ground Stainless Steel Rotors – Slotted design improves cooling and braking performance.
Technical Specifications
- Lift Height: 4 Inches
- Gear Reduction: 30% Dual Idler
- Gear Material: Heat-treated alloy steel
- Gear Box Construction: Forged aluminum
- Rotor Type: Precision ground stainless steel
- Sealing System: Dual spindle oil seals and triple input shaft seal with wiper
- Gasket Material: Kevlar fiber
- Kit Includes: Four portal gear boxes
Tire Fitment Guide
- Maximum Tire Size with Portal Lift: 33″
- Maximum Tire Size with Forward Arms: 35″
Tire fitment may vary depending on wheel size, lift configuration, and other vehicle modifications.
Wheel Requirements
- Minimum Wheel Size: 14″
- 14″ Factory Wheels Require 1″ Spacer
- 14″ & 15″ Wheels: Maximum 4.5″ Backspacing
- 16″ or Larger Wheels: Maximum 5″ Backspacing
Vehicle Compatibility
- 2016–2021 Can-Am Defender HD5
- 2016–2021 Can-Am Defender HD8
- 2016–2021 Can-Am Defender HD10
- Compatible with DPS, XT, XT Cab, XTP, X mr, Limited, and other Defender configurations
Why Choose the 4 Inch Portal Gear Lift Can-Am Defender?
The 4 Inch Portal Gear Lift Can-Am Defender is designed for riders who want maximum off-road capability and drivetrain reliability. With forged portal boxes, precision-machined gears, Kevlar sealing technology, and dual idler gear reduction, this portal lift system provides the strength, torque, and clearance needed to conquer the toughest terrain.
Cross-reference part/SKU numbers: PGL-430DI-C1D, 73-14469
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