Tri-Five 2004R Parts

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.

Obtain the perfect tire fitment on your ride with the WheelWise Tire Fitment Tool

Learn some helpful tips for using your tire groover as well as what direction to cut your grooves and sipes for maximum side bite and forward bite on your dirt circle track race car.

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.

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

Discover what siping is and how it can be used to your advantage.

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

Changing your tire’s profile, be it width, height, or both, can provide increased traction, braking, and handling. Learn more in our guide.

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