With horsepower modifications becoming more common and easier for the Dodge Cummins 6.7L the weak points in the transmission are beginning to reveille themselves. This will put additional pressure on the internals of your automatic transmission, when this is combined with tuning or other upgrades that increase the line pressure of your 68RFE you are now transferring more torque into the input shaft and it is leading to breakage during aggressive acceleration and have towing situations.
To avoid breakage ATS has released a vacuum-melted 300M chromoly steel version of the input shaft. This 300M super alloy material is an ultra-high-strength metal which supports vastly more power than the original or OEM input shaft. ATS provides this billet shaft with an unmatched production process where inputs are first machined, then splined and heat treated. ATS furthers quality by executing a finish machining process which ensures clean fitment and improved fatigue resistance.
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