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77917-10


High Performance Pressure Regulator Spring

$7.78

High Performance Pressure Regulator Spring

This high-quality, high performance pressure regulator spring 77917-10 from Sonnax fits GM 4L60-E, 4L65-E and 4L70-E transmissions. The spring increases line pressure by approximately 13%, improving transmission performance in both standard and high performance applications.

  • Increases line pressure by approximately 13%
  • Produces firmer engagements/upshifts without creating harshness or clunky downshifts
  • Improves transmission performance in both standard and high performance applications
Weight .5 lbs
Dimensions 3 × 3 × 1 in

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