The Moser M88 Muscle Pak gives your build a massive driveline upgrade. Every housing arrives fully assembled with premium US components.

Ever wonder how your Jeep's axles rank against the rest of the axlehousing world? Wonder no more. Here's how we rank 'em from the geeky weaklings to the all-star axle jocks. Of course, you'll find a ...

Installing stronger halfshafts on a 2017 Camaro SS will fix a weak link in the driveline if your plans include more power or sticky tires. New cars are great, and one improvement we love are rear IRS ...

Because of the gradual downsizing of all U.S-produced automobiles and the massive invasion of our market by foreign automakers, the "brute horsepower, neck-snapping acceleration and no gas-mileage" ...

After Ford introduced the 1999 Cobra with the Mustang’s first independent rear suspension (IRS), enthusiasts quickly learned that the factory-issued axleshafts were a weak link. When drag racers ...