11-16 Duramax LML Merchant Automotive Allison Maximum "Pro Series" Transmission Rebuild Kit Gauges On the dyno

On the dyno

Up to 100 hp Gain

is pending with CARB

2001-2010 CREW CAB 8FT BOX

SW # 8 : 170 Hp increase

11-16 Duramax LML Merchant Automotive Allison Maximum "Pro Series" Transmission Rebuild Kit Gauges On the dynoOur 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