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The aftermarket solution to the 6.4L Power Stroke’s biggest problem.

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Randall Robertson of Rtech Fabrications lets us in on his process of beautiful and functional trucks.

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Discover the ins and outs of the Caterpillar-born, Navistar-implemented, oil-fired fuel injection system.

Epitome of Innovation: 10 Products Poised to Revolutionize the Diesel Industry

Check out the latest and greatest performance parts in the diesel aftermarket.

Budget Diesel Mods: LML Duramax

Discover the quickest and safest path to 500, 600 and 700rwhp with these proven parts combinations.

Budget Diesel Mods: LBZ Duramax

Check out these affordable power packages for the Holy Grail of Duramax mills.

Power Play: Mercury’s New Crate Engine Puts the Rest to Shame

What GM should have done to the LS a long time ago.

Budget Diesel Mods: ’89-‘93 Cummins

Usher your first-gen Cummins into the modern age with these penny-pinching horsepower recipes.

Life of a Spring

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

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

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

Product Spotlight: Mishimoto’s Upper Support Bar for the 6.4L Power Stroke

Preserve the life of the radiator in your 6.4L Power Stroke with Mishimoto’s heavy-duty upper support bar.

Growing the Industry: 9 Hot Products From the 2017 Scheid Diesel Extravaganza

Problem solvers, power-adders and industry innovators build the products that drive diesel performance forward.

Killing Myths About Runaway Diesels

All you need to know about every diesel owner's nightmare.

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