• Not enough OE washers to properly set end clearance


OE washers are selective, requiring multiple part numbers to be stocked.


This kit provides a primary washer and thinner selective shims for setting end clearance and more flexibility to properly set endplay.

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE

Overdrive Shim Kit
Part No. 12783-01K

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Sonnax overdrive shim kit 12783-01K eliminates the need to stock multiple OE selective spacers by providing one .175" thick washer and three .010" thick shims for setting the clearance for proper washer end play in listed Chrysler units.

  • Allows proper set of end clearance.
  • Eliminates need to stock multiple OE spacers.
  • Shims (3)
  • Primary Washer
  • Material: Steel
  • 12783 01k combo
  • 12783 01k