Tri-Five TH400 Parts

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

Learn how to install a side detent shifter in a 1969 Chevy C10.

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

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.

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

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

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

We’re putting Weld Racing Wheels and tires on our 410 Sprint Car and finally dropping it on the ground. Check it out!

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

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