
ATS Billet Thermal Bypass Block Upgrade (P/N 310-005-2356) Fits 2010-2012 RAM 2500/3500/4500/5500 6.7L Cummins Protect your transmission from catastrophic heat failure with the ATS Thermal Bypass Block Upgrade (310-005-2356) . For owners of 2010-2012 RAM 6.7L Cummins trucks equipped with the Max Tow Package (Sales Code AHQ) or the Dual Transmission Oil Cooler (Sales Code NHT) , the factory thermal bypass block is a notorious failure point. This billet aluminum block is a complete, high-flow repl