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Plus sizing is one of the easiest ways to achieve enhanced performance
and improve the appearance of your vehicle. In the example below, a 15x7
wheel with a 205/65R-15
tire is considered the O.E. (original equipment) size. Converting to a
plus one size would mean increasing the wheel diameter by one inch (16x7.5)
and selecting an appropriate tire to fit
(225/55R-16).
Likewise, moving to a plus two fitment would result in a 17x8 wheel and a
245/45R-17 tire.
It is important to note that although the wheel diameter is increasing, the
overall diameter of the tire remains consistent. |
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Two things happen to the tire to increase performance when moving into
plus sizes. First, the tire becomes wider due to an increase in section
width. This provides a larger footprint and more contact with the
driving surface. Second, the aspect ratio is lower, resulting in a
shorter sidewall. The combination of these changes offers better
lateral stability and increased steering response. |
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