Product Details

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Transgo high performance and heavy-duty Reprogramming shift kit for the GM 6L45, 6L50, 6L80, and 6L90 automatic transmission.

Product specifics:

• Brand: Transgo
• Part number: 6L80-TOW&PRO
• Covered models: 6L80, 6L80E, 6L80-E, MYC, 6L90, 6L90E, 6L90-E, MYD
• Makes: GM, Cadillac, Chevrolet, GMC, Hummer, and Pontiac
• Year range: 2006-up
• Uses: HP, HD, Driving Towing, Racing
• Country of origin: USA
• Genuine Transgo brand: YES
• Transmission removal is required.

The first and only 6L80, 6L90, 6L45, and 6L50 performance kit for trucks and performance applications.

With increased max main line pressure as well as a more aggressive pressure curve, this high-performance Reprogramming Kit™ includes valve body and pump components calibrated to maintain factory shift feel at light-to-medium throttle with progressively firmer upshifts through WOT.

Features

• Quick, clean, firm shifts with increased holding capacity
• Maintains factory shift feel at light to medium throttle with progressively firmer upshifts through WOT.
• Produces faster line rise when adding throttle.
• Patent-pending technology reworks the 2-6, 3-5-R and 4-5-6 clutch regulator and boost valves to produce faster and cleaner shifts with increased holding capacity without any bumps, clangs, bangs or software tuning.

Street show-off options with HP tuners or EFI Live (Must be used in conjunction with #6L80-TOW&PRO)

• 1-2 & 2-3 hard-throttle tire chirping shifts
• Simple computer tuning of shift timing tables.

These transmissions can be found in the following vehicles; however, you should double check your application.  It is common for similar vehicles to have multiple transmission options available from the factory.

Cadillac

• CTS 6.0L 2007-2009
• Escalade, EXT, ESV 2007-2015
• STS-V V8 Supercharged 2006-2011
• XLR 2006-2009

Chevrolet

• Avalanche 1500 2009-2012
• Camaro V8 naturally aspirated 2009-2015
• Caprice 2009-2013
• Colorado 5.3L 2008-2012
• Corvette 2007-2014
• Express Van 1500 2009-2017
• Silverado Truck 1500, 2500 2008-2021
• Suburban 1500 2009-2020
• Tahoe 2009-2020

GMC

• Canyon 5.3L 2008-2012
• Savana Van 2500 2009-2017
• Sierra Truck 1500, 2500 2008-2021
• Yukon 2009-2020
• Yukon XL 1500 2009-2020
• Yukon Denali 2007-2015

Hummer

• H2 2008-2010
• H3 5.3L 2008-2011

Pontiac

• G8 V8 2008-2010

These transmissions are part of the Turbo Hydramatic or Hydra-Matic series and also known by the following codes and part numbers: 6L80, 6L80E, 6L80-E, MYC

The Transgo 6L80 Tow & Pro shift kit fits the following years: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017, 2018, 2019, 2020, and 2021.