200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E

Pump Spring Spacer
Part No. 77917-RV

Package Quantity: 10

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A common goal with GM 4L60-series transmissions is to increase pump volume or output, but a common problem is fluctuating pressure in reverse. Sonnax pump spring spacer 77917-RV will preload the spring to increase pump output and stabilize the pressure.

  • Preloads the spring for increased pump output
  • Stabilizes pressure
  • 200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E Pump Spring Spacer 77917-RV
  • 200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E Pump Spring Spacer 77917-RV