AutoMeter Tri-Five Parts

Need better tire traction on the track? Read our guide on increasing traction with grooving, siping, and needling to ensure your racing tires have great grip.

Grooving tires increases traction or grip. Find out more about the do's and don'ts when it comes to grooving.

Learn the importance of maintaining the right pressure in your tires for longer wear, enhanced handling and to get better fuel economy.

Here are some things to think about when purchasing a quality tire pressure gauge.

Find out how to achieve the correct tire pressure for optimal race car performance.

Longacre provides tips on how to determine when it's time to buy new tires.

Maximizing tire grip helps achieve maximum performance. Learn more here!

Easily calculate the best axle ratio or tire size for your build. Use our axle ratio calculator to match RPM, gear ratio, and tire diameter for optimal performance.

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

Ammeters and voltmeters are two very different ways of monitoring your vehicle’s charging system. Both are better than an “idiot light” but which one is right for your build?