Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

Installing Torsion Bars in Street Rods

Here are some tips on how to choose the right torsion bar for your midget, micro, or sprint car!

Choosing the Proper Torsion Bar

What is a sway bar and what does it do? Understand how sway bars reduce body roll, improve cornering, and what's best for your car or truck

Sway Bars & Anti-Roll Bars | How They Work and Which One You Need

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Spherical Bushings for GM A-Body Trailing Arms

How to replace sway bars in a Mercury Comet and the advantages that come with it.

Replacing Sway Bars in a Mercury Comet

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

Tim demonstrates a quick and easy solution to removing dents in your sprint car torsion tube. Check out this video for a simple fix to a common problem.

Speedway Tech Talk: Torsion Tube Repair Bullet

In this Tech Tip, John responds to a customer question about the rod end angle on his Model A 4-Bar Suspension Kit.

Model A 4-Bar Suspension

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

Engine Family Facets

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GM A-Body Torsion Bars

GM A-Body Torsion Bars | Speedway Motors

Shop GM A-Body Torsion Bars and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. GM A-Body Torsion Bars in-stock with same-day shipping.

GM A-Body Torsion Bars

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DMI Reactor 30 Inch Torsion Bar and Stops Kit