These differentials are usually available as aftermarket items, but for some models are specified by automobile manufacturers as OEM equipment. Quaife's signature product is its line of automatic torque biasing differentials, a form of limited slip differential that employ helical gears rather than clutch mechanisms that are controlled mechanically. Quaife gearkits were used to achieve victories in the Daytona Speedway and Isle of Man TT.īased near Sevenoaks, Kent they have two sites, one in Sevenoaks and the other, their OEM production facility, in Gillingham. Quaife also took on subcontracted work from AMC the makers of Matchless and AJS motorcycles. The early days at Quaife were spent manufacturing performance motorcycle gearkits, most notably close ratio 5-speed units for Triumph, BSA and Norton.
#QUAIFE SEQUENTIAL S2000 PROFESSIONAL#
The company was founded in 1965, by Rod Quaife and is now run and owned by Sharon Quaife-Hobbs, Sharon's son Adrian Quaife-Hobbs is the owner of Pro-Sim and is a professional racing driver.
It designs and manufactures motorsport and performance orientated gearboxes, gearkits, differentials, steering racks and axle kits, along with many other associated drivetrain products. is a British manufacturer of automotive drivetrain products. For product selection advice, please contact the Quaife Technical Sales Team.R.T. We invite you to explore Quaife’s gearbox range by clicking the banner below. For historic users, Quaife offers a ZF replacement transaxle, designed for use in GT40 and De Tomaso Pantera fitments.
#QUAIFE SEQUENTIAL S2000 PLUS#
With close ties to the motorsport sector, Quaife has developed its transmission range with popular fitments in mind, including rear wheel drive Ford applications, plus the Porsche 997, Nissan Skyline R32-R34, Land Rover/Range Rover and many more. The inherent performance advantages of the ultra-rapid sequential shift are greatly in demand, which explains why a significant proportion of Quaife’s heavy duty gearbox range is now designed from the outset to incorporate this system. Having pioneered the sequential gearshift in the late 1980’s, Quaife has proactively continued to develop and refine its sequential gearbox technology to improve reliability and to adopt integrated electronic paddleshift systems. Quaife is reactive to external requirements and is constantly evolving its gearbox range to suit market demands. Numerous bellhousings for popular engines are available from stock to enable the easy installation of Quaife’s in-line transmission range into a variety of vehicles, as is a range of accessories, including a choice of gear levers to suit individual requirements.
Irrespective of selection method, Quaife’s close-ratio gears reduce the rev drops between gearshifts enabling even highly tuned engines to stay operating in their optimum power-band at all times, while the choice of gear ratios and final drives (where available) allows users to fine tune gearing to suit their particular requirements. Dog engagement enables rapid ratio selection without the performance or wear compromises of the synchromesh mechanism and is largely intended for motorsport use, whereas the helical variants of Quaife gearboxes are equally at home in a road environment. Quaife’s motorsport gearbox range includes complete replacement in-line, transaxle and four-wheel drive transmissions, offering five, six and seven-speeds depending on application, with a choice of synchromesh or dog engagement and helical or straight cut (spur) gears. Designed using the latest FEA 3D software, precision engineered using state of the art CNC machinery, assembled by skilled and experienced technicians, tested, refined and perfected using all of the firm’s considerable drivetrain expertise, Quaife motorsport gearboxes offer unrivalled reliability, performance and value for money for racing, rallying, drag, trackday and fast road use.
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