4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K
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4th Gear Super Hold Dual Servo Kit for 4L60 4L60E 4L65E 4L70E GM
Kit Includes:
Super Hold Servo Assembly
Steel Washer
Technical Instructions
Description:
Sonnax 4th gear super hold dual servo kit features 40% more apply surface for greater holding power. These transmissions often exhibit poor 3-4 quality and experience band failure in performance applications. Combine this servo kit with Sonnax 2nd gear servo for unmatched holding power and shift performance that's an easy install.
Patented dual piston design with 40% more apply delivers greater holding power
D-ring seals prevents pressure loss
Use with OE, Corvette or Sonnax 2nd gear servo assemblies