M23-series – $3,287

The N-series foundation; with the AutoGear exclusive SAE 9310-equivalent, modular countershaft, stronger 1st gear geometry and polished gears.

  • 36 different ratios (Contact us for help)
  • 10- or 26-spline input
  • 27- or 32-spline output
  • AutoGear designed “Roller 1st” or polished and grooved 1st gear bushing
  • 7- or 8- tooth speedometer gear (passenger side only)
  • Suitable for muscle cars, hotrods and classics that need enhanced durability or a more customized experience
  • Suitable for most dedicated track use, typically under 700hp/tq – contact us for details
  • Each M23 is custom built to order.

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