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Quaife Helical Limited-Slip Differential (Front: Mitsubishi Lancer EVO 8/8M
  • Part Number: QDH12B
  • The Ultimate Differential

    The Quaife torque biasing 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-race style, straight-line acceleration runs, this 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 "peglegs" 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 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.

    The Quaife is great for street driving or racing. Racers don't have to put up with locking mechanisms or spools that created unwanted understeer under power, or in the case of front-drive cars, even 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 SCCA Rally to Formula 1. It provides autocrossers with such an advantage, it has become "required" equipment for a winning effort.

    More and more auto manufacturers are specifying the Quaife ATB Differential as original equipment in their high performance models - for good reason - it works!

    The Quaife ATB Differential comes with something else other's don't have: a Limited Lifetime Warranty. This warranty applies even when raced !
  • In Stock & ready to ship!
    • Mitsubishi Lancer EVO 8/8MR/9


Payment Methods

US & Canadian Buyers
  • Paypal - Importblowoutsales - Confirmed Paypal addresses only. For alternate ship to address, please contact us before placing your order.
  • PA Sales Tax: 6% for in-state buyer / 0% for out-state buyer.
All other International shipping address NOTE TO ALL BUYERS
Please read payment terms/methods and shipping fees before bidding on the item or use "Buy it now." If there are any question, please email us at: Import Blowout Sales.
  • Winning bid notification/payment instruction will be sent to buyer automatically thru email after auction ended.
  • Payment must be received within 10 days of auction closed.
  • PA Sales Tax: 6% for in-state buyer / 0% for out-state buyer.
Shipping/Handling Rates

  • Lower 48 United States: $9.00


  • AK, HI, GU, VI, PR, AE, PO Boxes, Military address/base, APO/FPO are all sent via USPS priority mail: $30.00


  • Canada: $30.00 (Generally sent via UPS, unless told otherwise)


  • Rest of the World: $145.00+ (Please contact us for shipping quote)


  • Shipping Options: UPS with tracking number, unless specified USPS for international/PO Boxes


  • Sales Tax: 6% for in-state buyer / 0% for out-state buyer
Terms & Conditions

  • All of our products are 100% brand new unless otherwise stated in the description above


  • All sales are final unless item is defective upon delivery


  • Please inspect your order upon receipt. No claims will be honored after 5 days of delivery


  • We will reimburse you the actual shipping fees for exchange if we shipped incorrect quantity, incorrect item or defective item


  • Buyer is responsible for all shipping costs for returns with warranty issue


  • We reserve the right to retract bids from any bidder with a history of negative feedback/non-payment. Please respect the integrity of eBay, only bid if you intend to follow through with your purchase


  • We reserve the right to file Non-Paying Bidder Alert if payment is not received within 10 days after auction ended


  • Please bid with responsibly. Failure to complete the transaction will be result in negative feedback

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