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4L70E 4th Gear Super Hold Dual Servo Kit


Mfg Retail: $101.32
Cost From Us: $88.88
You Save: $12.44
In Stock
Our Part #: S-77767K
Manufacturer: Sonnax
Mfg Part # : 77767K
free shipping
4L70E 4th Gear Super Hold Dual Servo Kit
Sonnax Servo Kit that has 40% More Serface Area

These Transmissions often have issues with poor 3-4 shift quality.
Also in High Performance / Towing Applications the band will fail.

Sonnax has engineered a servo with 40% more surface area to fix these issues.
This servo works because the additional serface area adds a tremendous amout of holding strength.
This feature makes this servo ideal for great 3-4 shift quality and High Performance Applications.

Additionally the Servo has a Billet aluminum back cover for durability.
The Servos D-Ring seals give it far better sealing qualitys than the factory servo.

This Servo is Easy to install and can be done with Transmission Still in vehicle.

Can be used with OE, Corvette or Sonnax performance 2nd gear servo assemblies.


In This Kit You Will Recieve

1 Super Hold Servo Assembly
1 Steel Washer



Our Part #       S-77767K
Sonnax Part #  77767K


Customer Service is our Priority , Email us any questions you may have !
We do offer combined shipping for multiple purchases to Export Customers.
We would appreciate the opportunity to serve your transmission parts needs ! ! !







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