TCI 2nd & 4th Gear Jumbo Servo Kits will enhance the shift quality and extend durability of any 700R4/4L60E/4L65E transmission. Since the servo applies the 2-4 band in 2nd gear, releases it in 3rd and reapplies it in 4th, the servo plays a vital role in the operation of your transmission. Easy-to-install with the transmission in the vehicle. Kits may be used individually or combined to create the ultimate servo for your 700R4/4L60E/4L65E transmission.
- Piston uses lip seal to improve fluid retention
Increased surface area ensures band is held securely under severe conditions
Kit includes 6061-T6 billet aluminum 4th apply piston and matching cover