SKU: TGO7-2P
UPC: 810159321112
MPN: 7-2P
The TRANSGO Servo Piston Assembly 700R4/4L60/4L60E/4L65E/4L70 is a precision internal component designed to enhance shift quality in General Motors' THM 700R4 and 4L60-series automatic transmissions. This assembly is ideal for those rebuilding classic Chevy engines, refreshing high-mileage truck transmissions, or fine-tuning performance builds.
This servo piston assembly addresses issues with worn or damaged factory units that can lead to delayed shifts, flare-ups between gears, and loss of engine braking. It operates within the transmission's hydraulic actuation system, regulating band apply pressure during shifts by responding to mainline pressure and governor feedback. Manufactured to OEM specifications, it ensures proper hydraulic sealing and smooth piston travel.
Transmission builders, shade-tree mechanics, and performance enthusiasts working on Chevrolet, GMC, and Pontiac models will find this assembly essential for reliable shift performance and longevity. Its compact design fits within the original transmission case without modification, making installation straightforward during a full rebuild or mid-life service.
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