Polaris RZR XP 1000 8 Inch Portal Gear Lift – 50% Dual Idler

Polaris RZR XP 1000 8 Inch Portal Gear Lift – 50% Dual Idler (Sport/Premium/Trail/High Lifter)

The Polaris RZR XP 1000 8 Inch Portal Gear Lift with 50% Dual Idler gearing is engineered for riders who demand extreme ground clearance, massive torque multiplication, and professional-grade durability. Built for aggressive terrain and oversized tire builds, this 8” portal system transforms your Polaris RZR XP 1000 into a true off-road powerhouse.

The 50% gear reduction delivers maximum torque to the ground while reducing drivetrain stress on axles, belts, and differentials. Whether you’re running Sport, Premium, Trail, or High Lifter editions, this portal lift provides the mechanical advantage required for serious performance.

Forged Gear Boxes – Industry-Leading Strength

• Forged aluminum gear boxes with tight grain structure for superior strength.
• Eliminates porosity and internal weaknesses found in cast designs.
• Stronger than billet or cast aluminum alternatives.
• Built to withstand extreme impact and terrain abuse.

50% Dual Idler Performance Advantage

• Massive torque multiplication for extreme tire builds.
• Dual idler design spreads load across more gear teeth to reduce internal stress.
• Improved drivetrain reliability under heavy load.
• Enhanced engine braking performance.

Advanced Sealing & Protection

• High-density Kevlar fiber gaskets – oil and coolant resistant.
• Dual oil seals on the spindle shaft for expanded sealing surface.
• True triple-seal input shaft including protective wiper seal.
• Optional gearbox venting capability for improved cooling.

Heavy-Duty Structural & Brake Components

• 5/16” steel backing plates with bent flanges and welded gussets.
• Clocked backing plate design for maximum big tire clearance.
• 13” precision-ground stainless steel slotted rotors for superior braking performance.
• CNC precision-ground, heat-treated alloy steel gears.
• Controlled gear lapping for smoother and quieter operation.

Wheel Requirements

• Minimum 22” wheels required.
• 24” wheels recommended for optimal 8” portal performance.

Vehicle Fitment

Fits 2015–2023 Polaris RZR XP 1000 models including Sport, Premium, Ultimate, Trails & Rocks Edition, High Lifter Edition, Ride Command, Dynamix, Desert Edition, Fox Edition, and XP 4 1000 variants.

Also fits Polaris RZR RS1 models (2018–2022).

The Polaris RZR XP 1000 8 Inch Portal Gear Lift 50% Dual Idler version is engineered for riders who want maximum clearance, extreme torque, and long-term drivetrain durability for the most aggressive builds possible.

Cross-reference part/SKU numbers: PGL-850DI-RZR1, 73-15995