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The Best Portals in the Industry Are GDP
More power. Bigger tires. Greater ground clearance. SuperATV’s GDP 4" Portal Gear Lift for the Polaris General gives you the freedom to choose the setup that matches your riding style. Available with a 30% gear reduction for maximum torque and larger tires, or a 15% gear reduction for agile trail riding, these portals can completely overhaul your riding experience. Choose from cast or billet aluminum housings, and upgrade to dual idlers for the strongest gear set available.
What is a Dual Idler®?
Dual idler gear portals use a second idler gear in the portal box to spread the load over more surface area for more reliable torque transfer. Precision CNC grinding helps ensure the gears are perfectly mated, and the gears are made from 9310 steel alloy for added strength.
Why choose GDP portals?
Strength and durability
GDP portals use reinforced housings optimized for gear retention and oil flow, advanced steel alloy backing plates, advanced gaskets and O-rings, a sealed input gear, double-lipped output seal, double-angular contact output bearings, and roller idler and drive bearings to help maintain perfect gear meshing and reduce wear.
Includes
Fitment
NOTE: Does not fit 2020+ Polaris General XP 1000 or XP 4 1000.
Wheel requirements:
Polaris General portal gear reduction recommendations
Max tire sizes are measured at full compression and full turn. The given tire sizes are the largest fit without rubbing; with minor trimming or a small amount of rub, larger tire sizes can be used. If you need help figuring out which gear reduction is right for you, check out our .
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