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Sonnax Line Pressure Booster Kit 4L60E-LB1

Product Description For Sonnax Parts
Product Part No: -- 4L60E-LB1
Transmissions: -- 4L60E 4L65E 4L70E
Package and Weight
Package Quantity: -- 1 ea
Sonnax:High Performance Part - Line Pressure Booster Kit
Base Price:
Product Description
Part Information:
Early-style "long" boost sleeve, 1.907" length
  • Achieve shorter shifts and increased torque capacity without creating low-speed harshness:
  • Improved band and clutch holding capacity for increased durability:
  • Progressive pressure increase as driving conditions become more demanding:
  • All the benefits of increased line pressure without overloading the pump at idle:
  • Simple and affordable drop-in solution with no special tools or reaming required:
Part Contents
  1. Pressure Regulator Spring:
  2. O-Rings (2):
  3. Large Ratio Boost Assembly:
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