Automotive

The Torsen (Torque-Sensing) limited-slip differential (LSD) is a purely mechanical device designed to combine the smooth operation of a conventional differential with the ability to direct torque to the wheel that can use it most effectively. Widely applied in performance, sports, and off-road vehicles, the Torsen LSD addresses the key problem that open differentials cannot […]

XJXParts Exhibition Announcement | AAPEX 2025 XJXPARTS is thrilled to announce our participation in AAPEX 2025, one of the world’s premier automotive aftermarket exhibitions! Booth No. C76007, Caesars Forum, Las Vegas November 4–6, 2025 As a professional manufacturer of limited-slip differentials (LSDs), differential lockers, and ring & pinion gear sets, XJXPARTS will present its latest

When we drive through mud, snow, steep slopes or off-road rocks, the thing we fear most is that one wheel will spin – the car won’t move while you’re still steering. In this case, a lockable differential is your best friend. Simply put, the purpose of a open differential is to allow the left and

When you’re crawling over rocky inclines, wading through deep mud, or navigating steep sand dunes, every second of traction matters. One moment too late, and your rig could get stuck—or worse, tip over. This is where air lockers prove their worth. Unlike mechanical or clutch-type differentials, which rely on wheel rotation or gradual torque transfer,

For some, the locking of an inter-wheel differential seems like a miracle that can instantly turn a regular two-wheel-drive car into either an off-road SUV or a rally car. But is that really the case? And why don’t manufacturers install self-locking differentials on every car right from the factory? As usual, let’s start with some

Every drifter has faced the age-old dilemma: welded diff or LSD? It’s basically asking, “Do I want my car to behave like a controllable beast or like a hyperactive toddler on espresso?” Both options have their charm and quirks, but making the wrong choice can turn your daily commute into a tire-shredding nightmare—or your drift

When it comes to increasing engine performance, two of the most well-known technologies are superchargers and turbochargers. Both serve the same purpose: forcing more air into the engine to allow for more fuel combustion and greater power output. The key difference lies in how they are powered. A supercharger is driven mechanically, usually by a

When it comes to off-roading, one of the most important decisions for any 4WD enthusiast is whether to install a front differential locker or a rear differential locker. Both options improve traction and off-road capability, but each serves a different purpose and has unique advantages and disadvantages. Understanding these differences is critical, especially if you

For any off-road enthusiast, understanding 4×4 lockers is crucial for maximizing traction and conquering challenging terrain. A 4×4 locker, or differential locker, allows both wheels on an axle to rotate at the same speed, even when one wheel has little or no traction. This feature is essential when driving on slippery surfaces, steep inclines, or