* * * Free Ground Freight on Orders Over $50 in the Lower 48 States * * * Transmissions - Torque Converters - Parts *** 10% Off Entire Order – Sat. 10/21 until Sat 10/28 *** Enter Code PATC 10 in cart or at checkout. No double discounts, only free freight or 10% off.

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700R4 / 4L60E 4th Gear Super Hold Dual Servo Kit (SONNAX) 77767K

$ 89.00 $ 59.99

700R4 / 4L60E 4th Gear Super Hold Dual Servo Kit

Part No. 77767K

  • Super Hold Servo Assembly
  • Steel Washer
  • These are black with the PATC logo

 

Vehicles with GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions often exhibit poor 3-4 shift quality and experience band failure in performance applications. The Sonnax 4th gear super hold dual servo assembly 77767K features 40% more apply surface area for greater holding power.

  • 40% More surface area for greater holding power
  • Can be used with OE, Corvette or Sonnax performance 2nd gear servo assemblies
  • Easy to install – transmission removal is not required
  • D-ring seals for improved sealing
  • Billet aluminum cover
  • These are black with the PATC logo
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