4 Inch Portal Gear Lift RZR XP 1000 – 30% Dual Idler Kit

4 Inch Portal Gear Lift RZR XP 1000 – 30% Dual Idler Performance Kit

If you’re looking for serious torque, drivetrain protection, and true gear reduction performance, this 4 Inch Portal Gear Lift RZR XP 1000 from High Lifter delivers unmatched durability and power. Designed for 2024–2026 Polaris RZR XP 1000 and RZR XP 4 1000 models, this heavy-duty portal system increases ground clearance while multiplying torque for extreme mud and off-road performance.

Unlike standard portals, this system features a dual idler gear design that spreads load across twice as many gear teeth. This reduces stress, improves torque transfer reliability, minimizes belt heat, and significantly decreases strain on axles, differentials, and driveshaft components.

Why Choose This 4 Inch Portal Gear Lift RZR XP 1000?

• True 4-inch lift – Increased ground clearance for mud, rocks, and deep ruts.
• 30% dual idler gear reduction – Massive low-end torque multiplication for turning larger tires.
• Forged aluminum gear boxes – Stronger than cast or billet designs for superior durability.
• Improved engine braking – Reduces brake wear and increases downhill control.
• Reduced belt and drivetrain stress – Extends component life under aggressive riding conditions.

Forged Gear Box Strength

High Lifter uses forged housings instead of cast or billet aluminum. Forging creates a denser metal structure, making this one of the strongest portal systems available for the RZR XP 1000 platform. Combined with heat-treated alloy steel gears and CNC precision machining, this kit ensures long-term reliability under extreme loads.

Advanced Sealing & Protection

• Dual oil seals on spindle shaft for 100% more sealing area
• Triple-sealed input shaft including wiper seal for added protection
• High-density Kevlar fiber gaskets (oil and coolant resistant)
• Optional venting capability for improved cooling and seal longevity

This multi-layer protection system prevents water intrusion and oil leaks in harsh mud and water environments.

Heavy-Duty Structural Components

• 5/16” steel backing plates with bent flanges for maximum rigidity
• Welded gusset brackets for added strength
• Precision-ground stainless steel slotted rotors for improved brake cooling
• Factory offset design compatible with control arms built to OEM hub specs

Technical Specifications

• Lift Height: 4 Inches
• Gear Reduction: 30% Dual Idler
• Portal Boxes Included: 4
• Max Tire Size (Portals Only): 33”
• Max Tire Size (With Forward Arms): 35”
• Minimum Wheel Size: 14”
• 14” factory wheels require 1” spacer
• 14–15” wheels: Max 4.5” backspacing
• 16”+ wheels: Max 5” backspacing

Vehicle Compatibility

Fits 2024–2026 Polaris RZR XP 1000 and RZR XP 4 1000 models including Sport, Premium, and Ultimate trims.

Built for Torque. Engineered for Abuse.

This 4 Inch Portal Gear Lift RZR XP 1000 is built for riders who demand torque multiplication, drivetrain protection, and professional-grade durability. Whether you’re running 33” tires or upgrading to 35” with forward arms, this portal system transforms your RZR into a torque-heavy, mud-ready machine designed to outperform and outlast the competition.

Cross-reference part/SKU numbers: PGL-430DI-RZR1-2, 73-16678