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400, 425, 4L80-E, 4L85-E

Forward Clutch Hub
Part No. 34322-01

Heavy Duty

Sonnax offers a replacement clutch hub 34322-01 for the GM 400, 425, 4L80-E and 4L85-E forward clutch assembly. This hub is made from an AISI 1045 steel forging.

  • Made from forged 1045
  • 42-Tooth external spline
  • 30-Tooth (26 actual teeth) internal spline pattern
  • 34322 01