4L80E 4L85E Internal Wiring Harness 2004-up CHEVY GMC HUMMR 350-0071 tools the kit requires the valve

the kit requires the valve body to be factory machined for the inner and outer valve train that may be currently occupied by the OE dummy plugs or existing valve train

Sonnax Performance Pack HP-4L80E-01 upgrades GM 4L80-E and 4L85-E transmissions for maximum performance and durability in work/sport vehicles

Also very useful in towing applications

This highest quality torque converter interchanges with these OEM numbers:

Manufacturer Part Number: HV028

4L80E 4L85E Internal Wiring Harness 2004-up CHEVY GMC HUMMR 350-0071 tools the kit requires the valveBundle Listing: Yes Surface Finish: New Manufacturer Part Number: 24229422 350 0071 Other Part Number: 24200161 Brand: Rostra Precision Controls Fitment Type: Direct Replacement Non Domestic Product: No Transmission Type: Automatic Manufacturer Warranty: Yes 4L80E Wiring Harness Internal by Rostra fits GM vehicles 2004 up (1) Internal Wiring Harness (with integrated Temperature Sensor) (Note Instructions Sheet in photo gallery is included) This is OE