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700R4 4L60 4L60E 4L65E 4L70E Transmission 4th Gear Super Hold Servo
Vehicles with a 4L60 or 4L60-E family transmission often exhibit poor 3-4 shift quality and experience band failure in performance applications. The Sonnax \"Super Hold\" 4th Gear Servo features 40% more apply surface area for greater holding power
40%more surface area for greater holding power
BilletAluminum for super strength and durability
Affects4th gear only
Canbe used with OEM, Corvette or Sonnax performance 2nd gear servo assemblies
Easyto install: Transmission removal is not required
Excellentchoice forvehicles used for highway towing
Gives firmer 3-4 shift
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