4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up

Modified Item: No Custom Bundle: No Manufacturer Part Number: 77767K Brand: Sonnax Fitment Type: Performance/Custom Non-Domestic Product: No Drive Type: 4WD,AWD,RWD Manufacturer Warranty: Unspecified Length  4th Gear Super Hold Dual Servo Kit TH700R4 4L60E 4L65E 4L70E GM TRANSMISSION fits all varieties of these transmissions 1982-UP  Sonnax 4th Gear super hold dual servo kit 77767K features 40% more apply surface area for greater holding power in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. Vehicles with these transmissions often exhibit poor 3-4 shift quality and experience band failure in performance applications. Combine this servo kit with Sonnax 2nd gear servo 77911-03K for unmatched holding power and shift performance that's an easy in-vehicle install. Patented dual-piston design with 40% more apply delivers greater holding power D-ring seals prevent pressure loss Use with OE, “Corvette” or Sonnax 2nd Gear servo assemblies Please visit our eBay store for more g