PRESSURE REG SPRING H/P (4L60/65/70)
# 37666

Pressure Regulator Spring

PRESSURE REG SPRING H/P (4L60/65/70)

This high-quality, high performance pressure regulator spring 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

37666 Instruction Sheet

Type of Product: Springs & One Way Clutches
Qty Needed:
Years:
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