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4L80E HEAVY DUTY SHIFT RECALIBRATION KIT LATE

4L80ECC/HDSRK-L
4L80E HEAVY DUTY SHIFT RECALIBRATION KIT LATE

This kit includes the components required to re-calibrate the 4L80E hydraulic system for big improvements in performance and torque capacity. Multiple settings allow custom tailoring of the shift quality to the application. This kit has been engineered to easily install in a good working transmission without performing a complete tear-down, and its targeted audience is those seeking maximum performance at an economical price.  

$145.99 /Each.
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All parts in this kit can be installed thru removal of the transmission oil pan only. If the transmission is out of the vehicle, additional parts and technical information are supplied to dual feed the direct clutch, as well as oil pump and lubrication upgrades. The kit includes a new separator plate, gaskets, accumulator delete kit, and two pressure regulator springs.Please be aware that substitutions my be made if items become unavailable.  This kit has now been revised  with updated actuator feed filter bore plug with o-ring and an accumulator valve bore plug with o-ring to improve valve body function.  Fits all 1991 and up 4L80E transmissions.