The QBE91G is a robust six-speed sequential gearbox specifically designed for the popular Nissan Skyline R32-34 GTR models. Featuring a compatible bellhousing for the Nissan RB26DETT engine and utilizing the proven 90mm shaft centre design from the QBE69G gearbox, the QBE91G is rated to handle impressive power levels of up to 750bhp.
Notable technical features of the QBE91G include a drum type sequential gearchange system and an open face dog design implemented on both the gear and drive disc, resulting in swift and precise gearshifts. With a specially designed rear casing, the QBE91G allows for the direct installation of the standard Nissan transfer, making it a seamless replacement for the original gearbox.
Quaife provides customers with a choice between straight-cut (spur) or helical gear ratios, including overdrive options, allowing for extensive customization to suit individual preferences and performance requirements. This versatility empowers users to optimize the QBE91G unit for their specific needs, ensuring an ideal balance between power delivery and gear selection.
Key features of the QBE91G Nissan Skyline R32-34 GTR heavy duty six-speed sequential gearbox include:
• Sequential engagement with straight-cut or helical gears, rated to 750bhp
• Ultra fast gearshift with drum type sequential gearchange mechanism
• Nissan RB26DETT bellhousing available from stock – adaptor kits available for many other vehicles, please call
• Digital gear position indicator available
• Uses standard transfer (not supplied)
• Input uses Toyota 1JZ clutch spline for push clutch setup
Gear Ratios (Spur)
1st 2nd 3rd 4th 5th 6th
2.435 1.858 1.494 1.268 1.116 1.000 Spur (1:1)
2.759 2.050 1.565 Spur (1:1)
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2.435 1.858 1.494 1.217 1.000 0.870 Spur (o/d)
2.759 2.050 1.565 Spur (o/d)
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2.063 1.687 1.357 1.151 1.000 0.901 Spur (o/d)
2.211 0.868 Spur (o/d)
0.790 Spur (o/d)
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2.653 1.745 1.306 1.000 0.850 0.762 Spur (2o/d)
Gear Ratios (Helical)
1st 2nd 3rd 4th 5th 6th
2.719 1.994 1.524 1.208 1.000 0.858 Helical (o/d)
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