Quaife LS Differential Ford Fiesta ST 180 EcoBoost


SKU: N/A Category: Tag: Product ID: 7541


  • The best way to get more usable power to the ground
  • Prevents understeer
  • Lifetime warranty
  • UK Designed and made

Quaife is quick to produce a new limited-slip differential for the new IB6 gearbox fitted to the New ST 180 EcoBoost Fiesta

This will eliminate most all traction problems associated with extra power and inside wheel spin etc

Quaife automatic torque biasing (ATB) differential enables your car to accelerate quicker and corner faster.

How? By getting the power to the ground! The Quaife Differential powers both drive wheels under nearly all conditions, instead of just one. With an ordinary open differential, standard on most cars, a lot of precious power is wasted during wheelspin under acceleration. This happens because the open differential shifts power to the wheel with less grip (along the path of least resistance). The Quaife, however, does just the opposite. It senses which wheel has the better grip, and biases the power to that wheel. It does this smoothly and constantly, and without ever completely removing power from the other wheel.

In drag racing, straight-line acceleration runs, having the Quaife ATB results in a close to ideal 50/50 power split to both drive wheels, resulting in essentially twice the grip of an ordinary differential (they don’t call open diffs “peg legs” for nothing). In cornering, while accelerating out of a turn, the Quaife biases power to the outside wheel, reducing inside-wheel spin. This allows the driver to begin accelerating earlier, exiting the corner at a higher speed.

The Quaife also controls loss of traction when the front wheels are on slippery surfaces such as ice and snow or mud, providing the appropriate biased traction needed to overcome these adverse conditions. The Quaife Differential provides the constant and infinitely variable drive. Power is transferred automatically without the use of normal friction pads or plates seen in other limited-slip designs. The Quaife’s unique design offers maximum traction, improves handling and steering, and puts the power where it is needed most. A definite advantage whether on the track or on the street.

The Quaife is extremely strong and durable and since the Quaife is gear operated, it has no plates or clutches that can wear out and need costly replacement. Every Quaife differential from Pumaspeed comes with a Limited Lifetime Warranty. The Quaife is great for street driving or racing. Racers don’t have to put up with locking mechanisms or spools that tear the steering wheel out of their hands when cornering. Because it behaves like an open differential during ordinary driving, street drivers will have trouble telling it’s there until pushing the car’s limits. The Quaife has been proven in everything from Pro Rally to Formula 1, but you don’t have to be a pro to enjoy its benefits. The Quaife differential provides autocrossers with such an advantage, it has become “required” equipment for a winning effort.

Additional information

Weight 8 kg


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