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Plus Sizing

One of the easiest ways to improve the performance of your vehicle is with Plus Sizing wheels and tyres. Plus Sizing refers to tyres that are wider and have a lower sidewall. The result is a larger contact patch and a sportier look.

Drivers choose Plus Sizing to improve:

What's "Inch Up"?

"Inch Up" is the process of mounting a lower aspect ratio tyre and larger diameter wheel on your car. This effect creates a larger contact patch and a lower sidewall.

Why "Inch Up"?

"Inch Up" to improve your vehicle's performance and appearance.

How Can You "Inch Up"?

"Inch Up" with Supa Quick, the experts in plus sizing.

"Inch Up" may be done in several ways.

The most popular methods are:

  1. Plus Zero
    This method utilizes the same wheel diameter as Original Equipment (OE) but incorporates a tyre with a larger than OE section width and smaller than OE aspect ratio. For example, replacing an OE 175/70R14 tyre (on a 5.5-inch wheel) with a 195/60R14 tyre would be a proper Plus Zero fitment. Note that this practice may require a replacement wheel in order to maintain proper rim width for the new tyre.
  2. Plus One
    This method utilizes a one-inch larger diameter wheel in conjunction with a tyre of a one-step lower aspect ratio. An example of an appropriate Plus One fitment is to replace an OE 175/70R13 tyre (575mm overall diameter) with a 185/60R14 tyre (578mm overall diameter). Note that this method always requires a replacement wheel.
  3. Plus Two
    This method utilizes a two-inch larger diameter wheel in conjunction with a tyre of a two-step lower aspect ratio. An example of an appropriate Plus Two fitment is to replace an OE 175/70R13 tyre (2575mm overall diameter) with a 195/50R15 tyre (576mm overall diameter).
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