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!

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

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