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The Quaife ATB Helical Limited Slip Differential (LSD) is designed to transform the performance of your Opel Ascona/Manta B vehicle, replacing the standard factory-fitted open differential with a direct solution. With increasing engine power outputs, utilizing this extra power becomes crucial. Wheelspin may appear impressive, but it wastes time and loses traction whether on the road, circuit, rally stage, or drag strip.
The Quaife ATB Helical LSD is an effective and well-proven low-cost solution, featuring a patented design that prevents complete loss of drive. This unique, gear-operated unit eliminates harsh torque steer and under-steering characteristics, ensuring inherent safety and controlled power transmission to all driving wheels. Moreover, it requires no special maintenance or rebuilds, utilizing the standard method of lubrication.
Quaife's ATB units are designed using the latest CAD techniques and CNC machined to ultra-tight tolerances from high-quality Corus steel billets. They undergo rigorous in-house inspection with 3D coordinate measuring machines. With its proven record in rallying, racing, and on-road use, the Quaife ATB Helical LSD offers safe, reliable, winning performance.
The Quaife ATB unit comes with a lifetime warranty for road or competition use, requiring registration via the manufacturer's website. When fitted into a standard FWD or 4WD gearbox, it is recommended to use the oil specified by the vehicle manufacturer, as stated in the owner's handbook. For gearboxes with Quaife internals, Fuchs Titan SYN5 75W90 oil is recommended, or a Hypoid 90 equivalent for rear axles.
Picture shown is a cut-away illustration of the internal workings.