Ford's new version of the Focus RS comes equipped with Quaife's traction enhancing automatic torque biasing (ATB) differential as standard equipment, marking a significant OEM success for the Kent ...

Virtually every road car is equipped with some sort of a differential and it’s vital to the way a car performs – without one negotiating a corner would be difficult. The differential’s main purpose is ...

General Motors has several names for its LSD, or Limited Slip Differential, unit. Commonly referred to as Posi-traction, the exact same clutch-based LSD is also known as Controlled Traction, ...

One of the great unsung heroes in any decent performance car is a limited-slip differential (LSD). Sometimes essential, a ‘slipper’ will almost always make a quick rear-wheel drive car more involving ...