PowerSpec 4.3

PowerSpec is a unique cummins tool that helps optimize vehicle gearing
5.0  (3 votes)
4.3 (See all)

Old versions

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The use of PowerSpec is supported in North America only. For engines equipped with a Diesel Particulate Filter, Ultra Low Sulfur Diesel Fuel is required. Failure to do so can permanently damage engine and aftertreatment systems within a short period of time. This damage could cause the engine to become inoperable and affect the warranty coverage on the engine.

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