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The P532 gearbox is one of Xtrac’s legacy products, which whilst not currently in production, spares and technical support are still available upon request.

Xtrac’s ‘532’ 4WD transmission has been designed specifically to cater for Rally cars competing under the FIA Super 2000 regulations, in series such as the Intercontinental Rally Challenge (IRC) and WRC championship the S-WRC. The gearbox specification meets all of the requirements of the FIA S2000 homologation regulations and has been approved for use in S2000 championships by the FIA.

To meet the FIA’s requirements Xtrac has achieved the lowest possible costs, whilst ensuring a technically reliable and lightweight transmission solution built to their usual industry-leading quality standards.


  • 6 speed sequential
  • 250Nm (185lbf ft) maximum engine input torque*
  • Cast aluminium L169 casings
  • Externally adjustable mechanical ‘Salisbury’ type plate front differential
  • 50:50 fixed front / rear torque split
  • Gearbox rear drive output shaft positioned for optimum vehicle and transmission package
  • Right hand output housing specifically designed for each installation to ensure the optimum driveshaft length
  • Integrated oil system using an eccentric rotor pump
  • Dedicated gearchange potentiometer, oil temperature, oil pressure and front right wheel sensors mountings
  • Provision for individual wheel speed sensor mountings
  • AP Racing clutch release
  • Gearbox weight approximately 64.5kg (spec. dependent)

Gearbox Benefits

  • Light, positive sequential gearchange
  • Easily removable cluster for ratio changes
  • Easily removable differential with externally adjustable differential pre load
  • Easily accessible oil filter cartridge

Options Summary

  • Various driveline options
  • Prop shaft flanges to suit specific requirements
  • Various output flanges including AAR integral and plug in types. Integral speed sensor trigger as required
  • Centre differential (Regulations permitting)
  • Dog ring inspection ports
  • Various options for reverse gear interlock
  • Bespoke gearbox casing design to include bellhousing mountings, starter motor mountings and other installation specific requirements
  • Starter motor and Flywheel

Find out more

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