D.M.A. racing gears

Toyota Supra sequential gearbox 
Torque rating: 6 speed = 900Nm,
5 speed = 1200Nm

D.M.A sequential gearbox for 1JZ/2JZ engines meets the strictest requirements for a racecar. Suitable for drift as well as for track, drag or any other discipline.
The neatest and best solution for MK III, MK IV Supra.

  • 5/6 speed
  • Patented dog engagement technology
  • REM isotropic superfinished parts
  • Contactless gear position sensor included
  • Reverse lockout included
  • Wide range of gear and drop gear ratios
  • Quick drop gears replacement
  • R154 slip yoke connection kept - no need to modify propshaft length when replacing OEM R154 gearbox
  • V160 slip flange 1350 output possible
  • Straight cut (spur) gears
  • Designed for AP/Tilton hydraulic clutch release bearing
  • Bellhousings: Designed for R154 bellhousing or V160 bellhousing
  • Oil pump recirculation system (optional)

Possible as seamless version. Seamless sequential gearbox is absolute top what can racecar get as they outperform conventional sequential gearboxes in many aspects. It provides the driver with feeling like in Formula 1, however technology of the gearbox is different – our own.

The greatest advantages of seamless sequential gearbox are:
  • Continuous, uninterrupted flow of power to wheels
  • 100% certainty of successful upshift even with slipping wheels
  • Clutchless shifts are possible even without racing ECU and hence without necessity of the ignition cut
  • Gear change with 0 delay (conventional sequential gearbox has usually delay 50-100ms)
  • Keeps engine in maximum race mode
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