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High Performance Parts for Gear Heads with Passion, Like Us.


Forte’s Sealed GM Mechanical Speedo Adapter

  • Additional Custom Seal on the Face of the Component Guarantees No Leaks
  • Designed by Mike Forte
  • Allows the use of a GM Speedometer on a Tremec TKO 500, TKO 600, and TKX Transmission
  • Driven Gears Available in 16,17,18,19,20,21 Tooth Count
  • Note: Available for Ford Toploader 4 speed, C-4, AOD -Please Call Us for these Versions


This Part Includes:

  • Speedo Drive
  • Retainer Clip and Bolt
  • Speedo Driven Gear with 16 – 21 Tooth

Forte’s makes this speedo drive different than all our competitors. This features a double lipped seal exactly like GM made their speedo drive.

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