Looking for a Gear Reduction and Lift Kit built into one package for your Polaris Ace?  Well you have found it!  These all new Gen 2 4" GDP Portal Gear Lifts were designed so you can run those monster tires you have always wanted without robbing power or having to buy tons of extra parts.

Product Features:

Performance

• Pair with SuperATV lift kits, a arms, and axles for extreme performance
• 30% gear reduction
• Designed for all terrains and riding styles

Axles

• You will not chop your axles. GDP is the only kit on the market compatible with aftermarket and OEM axles with no modifications
• GDP maintains performance-ready axle angles

Impenetrable Bearings and Seals

• First in the industry thrust bearing that is specifically designed to take axial load, unlike the standard bearing that is only sufficient for radial loads
• Automotive grade bearings
• Press fit, precision ground gears and shafts to eliminate unwanted slop

Precision-Ground Gears: drive gear, idler gear and driven gear

• Precision-ground chromium titanium alloy gears for industry best performance
• Eliminates friction for reduced heat, noise and allows you to run at higher speeds
• Reduced friction build-up
• Quiet gears at all speeds
• Performs at machine's fullest capacity

Gen 2 Portal Drive Shaft

• Designed to be unbreakable
• Made of 4340 hardened steel
• 40mm diameter
• M30 threads

Steering Arm

• Heavy duty structural member
• 10.9 grade hardware
• Modular design for improved functionality

Gen 2 Aluminum Housing

• CNC machined solid aluminum housing for superior strength
• Polished aluminum for long lasting, stylish finish

How About Adjustability? Pair with SuperATV adjustable a-arms

• GDP understands the need for adjustability allowing you to custom tailor your machine to match your riding needs
• Eliminates unwanted, premature tire wear caused from misalignment
• Camber adjustability on all SuperATV a-arms

Mounting Plates and Pivot Blocks

• CNC formed, fully gusseted 5/16" mounting plates
• Forged pivot blocks
• Carbon steel caliper mounting plates

Gen 2 Slotted Rotors for Unmatched Cooling

• Each wheel hub includes 4 bolt patterns 4/156, 4/137, 4/115, 4/110
• Ability to utilize different wheels on same hub
• Extra thick hub designed to handle any torque
• Stainless steel, braided brake lines included in each kit

Wheel Requirements

• Requires a 14" or larger wheel
• Wheels cannot exceed 5" backspacing
• If using factory 14" wheels, you must run 2" wheel spacers
• Not compatible with dual beadlock wheels

Note: Recessed Nut Kit required for most aftermarket axles. Not required when using Stock, Rhino Brand and ADR axles.

Applications:
Polaris Sportsman ACE 325 : 2014+
Polaris Sportsman ACE 570 : 2015+
Polaris Sportsman ACE 900 : 2016