Will They Fit

The Wheel Fitment, Tyre Stretch, Rolling Radius and Speedometer Error Calculator

Insert your existing wheel and tyre specs, and the desired size, and the outcome is shown on the diagram.

Your existing setup

Existing Tyre
Existing Wheel

Your new setup

New Tyre
New Wheel
Your Results

Existing

New

Diameter
642.7mm
656.7mm
Circumference
2019.1mm
2063.1mm
Poke
103.4mm
98.4mm
Inset
163.4mm
168.4mm
Speedo error
0%
-2.13%
Reading at 30mph
30mph
29.36mph
Reading at 60mph
60mph
58.72mph
Ride height gain
0mm
7mm
Arch gap loss
0mm
7mm

Compared to your existing wheel, this new wheel will have an inner rim which is 5mm closer to the suspension strut. The outer rim will poke out 5mm less than before.

Wheel Fitment Guide

The strut shown in the diagram is for show only. Don't worry if the wheel looks like it fouls!

Bear in mind most tyre manufacturers vary slighty from the specs, and that it could be dangerous to run tyres on wheels they aren't designed to fit.

Part of the Family
Suitable wheels from Driftworks
18" WheelsWheels with a 10.5" width