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  • 4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB2
  • 4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB2
  • 4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB2 details

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Sonnax Line Pressure Booster Kit

Sonnax Line Pressure Booster Kits

Crisp, clean shifts without harshness

Sonnax booster kit components are uniquely designed for precision pressure control. At low-end pressures, they deliver normal engagements, normal light throttle shifts and smooth coastdown shifts. When vehicles are pushed harder, components progressively increase pressure for improved clutch holding capacity and increased durability.

Learn more about Line Pressure Booster Kits