driveline components can be found in a wide range of vehicles, including those from Radical Sportscars, Caterham, Ginetta, Morgan Motor Company and Donkervoort. Quaife sequential transmissions help to power Mini JCW Challenge race cars, while the Ligier JS P4 manufactured by Onroak Automotive uses Quaife sequential technology. Quaife has also briefly built complete road cars, with the R4 GTS in 1999 which also competed in the British GT Championship. The company has also produced a roadster which was known as the R40. Quaife continues to manufacture and supply ATB differentials for Ford Motor Company, for the Fiesta ST, Puma ST and Transit Custom, and Lotus Cars, for the Evora. With electric vehicles becoming more and more prominent, Quaife has developed ATB differentials for the Tesla Model S and Model 3, and is looking to further expand the range of EV drivetrain products as the move to electric propulsion progresses. Applications The 1988 - 1992 Maserati Biturbo / Racing (Tipo 331) used a Quaife designed differential, commonly referred to as the 'Ranger' differential. The 1992 - 1998 Maserati Ghibli (AM336) followed its predecessor by using the Quaife designed 'Ranger' differential. The 2002 Ford Focus RS was fitted as standard with a Quaife ATB helical gear limited slip differential The 2004-2007 Saturn Ion Redline features an optional Quaife ATB limited Slip Differential The 2004 Dodge Srt-4 was updated with a torque-sensing Quaife limited-slip differential. The 2006-2010 Chevrolet Cobalt SS w/G85 option features an optional Quaife ATB Limited Slip Differential and revised suspension geometry to reduce torque steer. In 2008 Ford announced that the new Ford Focus Mk2 RS will also use a Quaife Automatic Torque Biasing LSD together with special front suspension geometry to minimize torque steer. In 2012 the Dodge Caliber SRT4 was offered an aftermarket Quaife ATB helical gear limited slip differential upgrade via RealTune. The 2015-onward Lotus Evora 400 has been fitted with the Quaife ATB differential. The 2016 limited-run Mini John Cooper Works Challenge was equipped with a Quaife ATB Differential. From 2017, versions of the Mk3 Ford Focus RS featured the Quaife ATB differential, including RS, Race Red and Heritage Editions. The 2018 Ford Fiesta ST is available with a Quaife ATB Limited Slip Differential as a factory fit option, as part of the Performance Pack. References Automotive transmission technologies