Product Profiles

Electronically controlled throttles are here to stay. But that doesn’t mean you have to put up with the dreaded throttle lag these systems often experience. JET Performance developed its Xcelerator […]

Bestop has taken some of your favorite features from its already-popular Trektop™ NX and made the soft top better and more user-friendly. The all-new Trektop NX for Wrangler JK features […]

  QA1’s engineers have developed complete suspension systems purpose-built for specific Ford, GM, and Mopar vehicles. They feature perfectly matched components, designed to work together with the stock parts to achieve […]

Powermaster’s XS Torque starters are a popular choice for engines with up to an 18:1 compression ratio. XS Torque starters feature extra-powerful motors that churn out up to 200 lbs.-ft. […]

  Divers Street Rods Inc. is renowned in the hot rod industry for building over-the-top custom cars. Best known for the “Ferrambo,” a 1960 American Rambler combined with a 2002 […]

We’ve taken a good look at many of the Holley (and MSD) fuel-injection systems available. They range from the basic, to over-the-top, in terms of function and capability. … You […]

Got a 2011-2016 Chevy Silverado or GMC Sierra equipped with the LML-series 6.6L Duramax diesel engine? DuramaxTuners’ SPADE Series LML Tuners can tweak your engine’s ECU to deliver more power […]

Stiction can be a serious problem for diesel engines. In a nutshell, diesel stiction is a buildup of gummy residue created by the breakdown of small amounts of engine oil. […]

Advanced Fuel Dynamics’ PROFLEX Commander Flex Fuel System is a plug-and-play, bolt-on kit that lets you run E85 in your late-model vehicle. The performance potential of ethanol-blended fuel is well […]

When heading off-road, common practice is to release some air from each tire to lower your tire pressure. Known as “airing-down,” this process increases the tire’s contact patch with the […]