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Sonnax GM 4L80E Self Regulating Reverse Boost Valve Automatic Transmission
OPT Product Code: SNX-34200-10K$109.67
Product Details
Common problems in vehicles with a 4L80-E transmission include uncontrollable line rise (upward of 500 psi), high line pressure in reverse, broken direct clutch drums and/or broken cases. These problems can be caused by excessive EPC torque signal pressure. The Sonnax self-regulating reverse boost valve 34200-10K eliminates these problems by limiting EPC pressure.
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