DMI XR-1, Quick Change Gears

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Quick change rears have been around since the 1940s and while many are familiar with them, to others they’re a mystery we’ll help explain

How to determine the quick change R&P ratio without opening up the rear in street cars with quick changes, sprint cars, modifieds, late models and GOTRA cars.

Tim talks about our Winters quick change rear end & components.

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

How to change brake pads, rotors and calipers using the Mustang II complete brake kit. Replace your drum brakes with disc brakes for performance and better braking ride. For use on Bobcat and Mustang II spindles.

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.