11-16 Duramax LML Merchant Automotive Allison Maximum "Pro Series" Transmission Rebuild Kit

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  • Regular price $1,399.00

Our signature line or Maximum Transmissions builds off the proven reliability of the Allison 1000 used in 2011 to 2016 GM LLY Duramax diesel trucks, but vastly improves the performance by incorporating several key upgrades that will unleash your Allisons true potential. 

The Pro Series improves the performance of your Duramax with even greater holding capacity with an additional clutch apply area, heavy duty friction material, and additional hydraulic pressure. If your engine is modified above stock, or aftermarket components (proper tuning and gearing required), then the Maximum Pro Series is for you.

"We don't play horsepower rating games with our MAximum Transmissions; we just build high-quality transmissions with high-quality parts that hold up to common abuse!" Exclaims Eric Merchant Automotive Founder. 


GM 2500HD and 3500 Duramax Silverado - Sierra 6.6L V8 Diesel Trucks




2011, 2012, 2013, 2014, 2015, 2016


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