Wheel & Tire

Wheel and Tire Technical Information – Calculate Wheel Fitment, Tire Stretch and Rolling Radius. Includes Speedometer Error Calculator. Play with specs, try different settings and combinations, compare results… […]

Portawall White Wall Tire Inserts ~ (Sometimes Port-o-walls, white wall inserts, slap-ons, Mickies, fake white walls, etc.) ~ Firestone Tire Style White Wall Tire Inserts make a great accessory for your Custom Car, Truck, Hot […]

Back Spacing is a measurement taken from within the inside of the rear side of the wheel. This measurement is important to be sure you have proper wheel clearance for your specific car before purchasing new wheels, wheel spacers and wheel adapters. […]

Over the years, we’ve seen wheels come off and much worse, all for one simple reason – they failed to properly torque (tighten) the lug nuts on their vehicles. Torquing lug nuts to the right torque specs and in the correct torque sequence is critical. Learn how to properly torque your lug nut / lug bolts here. […]

Spike Lug Nuts are a great accessory for your Custom Car, Truck, Hot Rod, Harley Davidson or Custom Motorcycle… […]

Find Hubcaps, Center Caps, Beauty Rings, Portawalls and More Wheel Accessories… […]

The side of your tire — known as the tire sidewall — contains all of the information you need to know about your tire size. Regardless of the manufacturer, all tires are required to show […]

This calculator is designed to give information related to tire size changes and the general impact they have on the calibration of a speedometer. It determines speedometer error and tire size information based on published […]

Use the Wheel Bolt Pattern Cross Reference to select your wheel bolt or lug pattern: Select Number of Lugs and Stud Spread in either Inches or Millimeters. The results will display Make, Model and Year as well as the OEM Wheel Size (diameter and width) plus Stud Size, Hub Center Bore and Offset. […]