6L80, 6L90 (300mm), 6L90 (Captive Clutch)

Turbine Hub
Part No. GM-HTCM-56HS

Sonnax chromoly turbine hub GM-HTCM-56HS with hardened internal spline replaces previously offered GM-HT-56HS.

GM 6L90 (captive clutch) converters are known to have two versions of turbine hub. Check the end of the hub towards the stator to determine if you need GM-HTCM-56HS with the stepped, chamfered nose or GM-HTCM-49HS with the chamfered nose.

  • Material: Chromoly
  • Internal Spline Tooth Count: 36
  • External Spline Tooth Count: 55

Where to Buy

  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
  • 6L80, 6L90 (300mm), 6L90 (Captive Clutch) Turbine Hub GM-HTCM-56HS
  • 6L80, 6L90 (300mm), 6L90 (Captive Clutch) Turbine Hub GM-HTCM-56HS details