The Dawn of a New Dragon

A sneak peak at Loren Healy’s all-new 4400 Ultra4 Race Machine.

Life of a Spring

Start to finish of how car parts are made, we join Eibach to see the manufacturing process of a spring.

Life of a Spring

A Better Altitude: Skyjacking a 2006 GMC Sierra 1500

We increase the ride and performance on this late-model 1/2-ton with a fresh suspension lift, 4.88 differential gears, and 35x12.50R17 Nitto Ridge Grapplers.

27 Do’s and Don’ts of Harbor Freight Tools

Your definitive guide for shopping discount tools at every gearhead’s favorite retail store.

Breathing Fire: An In-Depth Look at Loren Healy's Red Dragon

We peel back the layers on the winningest car in Ultra 4 Racing.

Living Up to Their Name: Rock Krawler's 4899 Race Car

Take a closer look at what makes Rock Krawler Suspension's 4899 Ultra4 race car a true, do-it-all rig.

Planning a Build: The Blueprints for a Successful Project

Building a car is hard enough on its own, but with some careful planning and preparation, you can transform any idea into the keys in your pocket.

Best of Both Worlds: Trektop Pro Hybrid

The top for Jeep Wrangler JK owners looking for the convenience of a hardtop, but the versatility of a soft top.

4BT Cummins + Solid-Axle Swap = The Dodge Dakota of Your Dreams

Stripped to the bare frame, this 2000 quad-cab Dakota build may have taken a few years to come to life, but the wait was well worth it.

Off Your Rockers: Fab Fours TJ Rock Sliders

Adding serious protection to one of the most venerable areas on the Jeep Wrangler TJ.

10 Common 4x4 Builder Mistakes (& How to Avoid Them)

Save yourself time and money by dodging these all-too-common trail-rig building errors.

Wheel More, Worry Less: Dynatrac ProRock 44 Review

While an axlehousing might not be the flashiest upgrade you do to your Jeep Wrangler JK, it just might be one of the most important. We swap out one of the JK’s biggest weak links with a Made-in-the-USA axle upgrade.

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