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Compact 6-Speed Sequential Transaxle Gearbox

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This gearbox is only available from our exclusive distributor Radical Motorsport Ltd:

24/26 Ivatt Way
T: +44 (0)1733 331717

The QBE72G is ideal for smaller, lightweight rear engined / rear wheel drive and mid engined / rear wheel drive vehicles seeking a high performance, robust, modern compact transaxle design suited to the demands of motorsport, trackday and fast road use.

The latest sequential selector design offers ultrafast gearchanges, while 85mm shaft centres enable the QBE72G transaxle to transmit up to 450bhp. An integral oil pump manages lubrication, while Quaife’s use of a hypoid crownwheel and pinion ensures a robust, quiet, final drive.

The QBE72G transaxle gearbox is supplied with a Quaife Automatic Torque Biasing helical gear limited slip differential to maximise traction and optimise overall performance from the package.

Three sets of gear ratios are available from stock for the QBE72G transaxle. Customers also have a choice of two final drive options.

Key features of the Quaife QBE72G six-speed compact sequential transaxle gearbox include:-

• Weight approximately 53kg

• Hypoid crownwheel and pinion

• Sequential dog engagement for ultra-fast shifts

• Quaife ATB differential fitted as standard

• Various diff output flanges available

• Optional digital gear position indicator available

Gear Ratios

  1st        2nd        3rd         4th         5th        6th

2.833    2.071     1.813     1.611     1.444     1.316

                              1.733     1.500     1.350     1.200

                                                             1.300     1.136


Final Drive Ratio Options

3.750    3.375

Compact 6-Speed Sequential Transaxle Gearbox

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