Reprogramming Kit GM TH350 /TH250 69-86

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$116.60
MSRP: $119.33
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Info

SKU:TGO350-3 ,UPC:

SKU: TGO350-3

UPC: 810159320108

MPN: 350-3

Info

SKU:
TGO350-3
UPC:
810159320108
MPN:
350-3

Description

The Reprogramming Kit GM TH350 / TH250 (1969–1986) is an essential tool for enhancing the performance of classic General Motors automatic transmissions. This kit is suitable for both DIY enthusiasts and professional mechanics looking to improve shift quality and hydraulic response without the need for a complete transmission teardown.

The kit modifies the valve body's internal passages and restrictor orifices, effectively recalibrating the transmission's response curve. This results in smoother shifts and improved line pressure consistency, all while maintaining factory reliability. The components included, such as precision-engineered check balls, springs, valves, and gaskets, are designed to meet OEM specifications but are tuned for modern driving demands.

Ideal for muscle car restorations or hot rod upgrades, this reprogramming kit fits TH350 and TH250 transmissions from 1969 to 1986. While the installation is straightforward for those with basic transmission knowledge, it is important to follow the instructions carefully to ensure the modifications are reversible.

SpecificationDetail
MPN / Part Number
350-3
UPC
810159320108
SKU
TGO350-3
Dimensions
11.75 x 2.65 x 15.7 in
Weight
2.08 lbs
Transmission Models
TH350 / TH250
Year Range
1969–1986
Kit Type
Valve Body Reprogramming
Application
Shift Quality, Line Pressure Tuning
Installation Type
Valve Body Service (Bench Installation)
Reversible
Yes

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