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Increased transmission durability and longevity
Tread Block Arrangement
2 & 4WD single rear wheel models only
This is engine-only tuning
R5135790AC
Chaos EFI Live 68RFE Transmission Tune File (2007-2021 Cummins 6.7L) TURBOCHARGERS & ACCESSORIES 2001-2007 DURAMAX 6.6L Increased transmission durability and longevityOverview: The Chaos Custom Tuning EFI Live 68RFE Transmission Tune File is specifically engineered for 2007 2021 Cummins 6. 7L equipped with the 68RFE transmission. This tune is designed to optimize shift patterns, improve transmission longevity, and enhance overall drivability. Compatibility: Perfectly suited for 2007 2021 Cummins 6. 7L models with the 68RFE transmission. Ensure your vehicle is compatible before purchasing. Installation: Flash the
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