Sell More Tires and Wheels With The Online Plus Sizing Guide.

The Fitment Data & Information In The Online Subscription Includes the Following Benefits.

• Updated Through the Year: As Fitment Information becomes available the Online Guide is Updated with Original Equipment and Aftermarket Plus Sizes for Current and Vintage Vehicles.
• Tire Search by Physical Dimensions: Search for tire sizes by Outside Diameter, Section Width, and Wheel Diameter.
• Wheel Offset Conversion Calculator: Interactive Calculators to convert Offset to Back Space and Back Space to Offset.
• Side by Side Tire Calculator: Compare up to 4 tire sizes side by side to view differences in the Section Width, Section Height, Outside Diameter, Revolutions per Mile, and Miles Per Hour.
• Plus & Minus Tire Calculator: Start with any tire size to easily find and compare Plus or Minus tire sizes for creating custom fitments and winter tire down sizing.