400 (3L80), AT-540, 68RFE, BorgWarner 310mm LU (A618, 47RH/RE, 48RE), BorgWarner 310mm NLU, Buick 350

Support Shim
Part No. GM-WS-43

Sonnax support shim GM-WS-43 bolsters Sonnax spring retainer in listed torque converters.

For use with previously available Sonnax heavy duty spring retainer GM-RS-1HP. Shim NOT for use with OE spring retainer GM-RS-1 or Sonnax GM-RS-3HP.

  • Material: Steel
  • Outer Dia.: 3.600"
  • Inner Dia.: 2.350"
  • Thickness: 0.010"

Where to Buy

  • Existing Customers: Contact your sales representative.
  • New Customers: Fill out the form and a sales representative will contact you.
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