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  • 3-4 Clutch boost spring collapse
  • 3-4 Clutch boost springs inefficient when overheated


Springs collapse and lose strength when overheated due to 3-4 clutch failure.


Install these precision manufactured, direct replacement boost springs.

4L60, 4L60-E, 4L65-E, 4L70-E

3-4 Clutch Boost Spring
Part No. 77763-01

1988 & later

Package Quantity: 10

View Instructions

The 77763-01 boost springs offer a low cost, direct replacement alternative to the OE springs. Engineered for the application, the 77763-01 boost springs are precision manufactured from high quality spring materials.

  • Low-cost direct replacement
  • Precision manufactured
  • Made from high quality spring material.
  • 77763 01 combo
  • 77763 01