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GM 6L80 6L90 6L45 6L50 Transmission Valve Body Upgrade Kit

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Superior Transmission Parts
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 Product Description

This new TransLab Engineered 6L80/6L90 6L45/6L50 transmission valve body upgrade kit corrects, prevents, upgrades and retro-fits all 6L80/90 GEN1 and GEN2 valve bodies to GEN3 2014-up style valve bodies.

A must have for any 6L80/6L90 series rebuild!

Benefits of this Valve Body Upgrade Kit

  • Retro-fits Gen-1 and Gen-2 type valve body castings to use the Gen-3 2014-up style
  • Eliminates the need to purchase updated OE style separator plates and castings.  This saves time and money!
  • Patent pending Flow-Limited compensator system circuit technology.
  • Restores integrity to compensator/exhaust backfill circuits, limits loss of pump volume output bleed out.
  • Patent pending compensator valve and circuit design for for No-Yump 1-2 shift
  • Includes corrected No-Stick select valves, end plugs and calibrated springs
  • Added #8 check ball and low-reverse clutch circuit exhaust control features
  • Improves reverse and drive engagement especially when transmission is hot


Superior Transmission Parts # STL-6L80


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