Proformance Portal Reduction Hub

Reduction Drive Hub with CTIS (Central Tyre Inflation System)
ULTRA4 OFF ROAD IFS IRS PORTAL HUB
ULTRA4 OFF ROAD IFS IRS PORTAL HUB

Portal hubs allow for more ground clearance and double the power at the wheel. The 2:1 internal reduction reduces the stress on the CV Joints, Axles and Differential Gears by 50%. by fitting portal drives to your vehicle you could double the strength of your existing drivetrain. No need to run expensive Gearbox "Underdrives" that cost $10,000 each. Do it right, reduce the strain by increasing the axle and CV Joint RPM by 200% Double the speed means double the torque!

PORTAL HUB FOR ULTRA4 IFS and IRS
PORTAL HUB FOR ULTRA4 IFS and IRS

Specifically Designed for off Road Motorsport Applications, the Proformance Motorsport Ultra Narrow Portal Hub increases your drivetrain strength by 200% Running your Axles and CV Joints at 200% speed doubles their strength. Mo More Blowing up CV Joints or Breaking Axles. You will tear your wheel studs out of your wheels before you break an axle. Imagine a 44 spline axle, MULTIPLIED by Two? Now that is Ultra Strong

ULTRA4 PORTAL HUB WITH CTIS
ULTRA4 PORTAL HUB WITH CTIS

Another feature of portal hubs is the ability to run CTIS (central tyre inflation systems) How many times have you seen a $300,000 ULTRA4 Vehicle bogged in a sandy section before they get to the risky section With CTIS, Ultra 4 Competitors can deflate and inflate their tyres as required Central Tire Inflation for ULTRA 4 IFS and IRS Cars - Simple and Effective

ULTRA4 OFF ROAD IFS IRS PORTAL HUB
ULTRA4 OFF ROAD IFS IRS PORTAL HUB

Portal hubs allow for more ground clearance and double the power at the wheel. The 2:1 internal reduction reduces the stress on the CV Joints, Axles and Differential Gears by 50%. by fitting portal drives to your vehicle you could double the strength of your existing drivetrain. No need to run expensive Gearbox "Underdrives" that cost $10,000 each. Do it right, reduce the strain by increasing the axle and CV Joint RPM by 200% Double the speed means double the torque!

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Proformance Portal Geared Hubs are designed specifically to provide the strongest drivetrain possible and the longest axle length for ULTRA 4 racing, Rock Bouncing and Off Road Racing

 

Our newest portal hub design provides the narrowest and strongest Geared Hub Reduction Drive for IFS and IRS vehicles. Complete with CTIS (Central Tyre Inflation) these hubs are perfect for ULTRA 4 and King of the Hammer Race Vehicles.

 

  • Increased Ground Clearance

  • More Power driven to the wheel

  • 1.92:1 Reduction Ratio

  • Less Stress on the Diff and Axles (50% Less stress)

  • Axles and CV Joints are 200% stronger

  • Braking Force Multiplied by 200%

  • Inbuilt CTIS (Central Tyre Inflation Systems) Lines

 

Specifications   |   Dimensions
IFS IRS - wheel removed.png
Download our Capability Statement - Click Here
IMG_6438A
IMG_6438A
IMG_6444A
IMG_6444A
IMG_6431A
IMG_6431A
27459471_4433316246715531_37763076396185
27459471_4433316246715531_37763076396185
19554650_4415397821840707_46482729865527
19554650_4415397821840707_46482729865527
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26992103_4415397968507359_31050197422224
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26991902_4415397828507373_12305438631239
IFS IRS - wheel removed
IFS IRS - wheel removed
IFS and IRS - Wheel (Tyre Removed)
IFS and IRS - Wheel (Tyre Removed)
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Download our Capability Statement - Click Here