700R4 4L60 4L60E TransmissionHI-PERFORMANCE Corvette Ratio
2-4 Band Servo Kit + D-Ring Seal Kit
fits all 700R4/4L60 Models 1982-1993
The TransGo 7-2P Corvette servo piston assembly fits 1982 to 2015 General Motors vehicles equipped with 700R4, 4L60/E, 4L65E and 4L70E automatic transmissions. From the factory, the 700R4 and 4L60E transmissions were equipped with 4 different servo sizes based on application. The Corvette-type piston was primarily found in the tuned, port-injected Corvette as well as the high performance Camaro and Firebird.
Features and benefits:
The TransGo 7-2P servo has the largest 2nd apply surface area of all the original equipment servos. Consequently, this servo provides a shorter, firmer 1-2 shift and with an increased apply area, provides the 2-4 band greater torque capacity in second gear only. Furthermore, the differential area between the band apply area and the release side of the servo piston alters the 3-4 clutch accumulation rate making the 2-3 shift firmer. Finally, this servo is ideal for high-performance applications and is fully compatible with our entire line of SHIFT KIT® Valve Body Repair Kit and Reprogramming Kits™.
Corrects/Prevents/Reduces:
- Soft 1-2 and 2-3 shift
- Increases torque capacity for 2nd gear
Includes:
- Piston
- Piston housing
- Small scarf cut seal
- Large scarf cut seal
- Blue O-ring
- Red O-ring
D-Ring Servo Seal Kit
Servo Piston Seal Kit by Transtec
6-piece D-ring style offers improved sealing capabilities over PTFE/Teflon-type seals installed from factory.High temperature Viton material is preferred in high stress applications to ensure full pressure hold when the band is applied.
D-shaped profile fills and seals their grooves in piston components better than an O-shaped o-ring.*See detail pic in gallery
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