VALAIR NMU70G56DDSN - Dual Disc Kit up to 650HP - Fits 05-10 Dodge 5.9L and 6.7L Cummins with G56

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VALAIR NMU70G56DDSN - Dual Disc Kit up to 650HP - Fits 05-10 Dodge 5.9L and 6.7L Cummins with G56


Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit

The Valair Street Dual Disc Clutch NMU70G56DDSN for your 2005.5-2018 Dodge 5.9L/6.7L Cummins offers more holding power and a wider range of use over a single disc clutch while retaining similar driving characteristics. With a 3800lb diaphragm style pressure plate, quick shifts are still possible while pedal pressure will be just overstock.

The Ceramic Street Dual Disc is best suited for daily driven trucks that have performance modifications up to 650HP that do see some racing or hard use. Light towing is possible; clutch engagement will be somewhat aggressive but tolerable.

When converting a G56 transmission over to a solid mass flywheel vs. dual mass flywheel, gear rollover is inevitable. Gear rollover noise is often heard when the vehicle is idling or under a load in low RPM ranges (often referred to as sounding like marbles in the transmission). This is completely normal.

Gear rollover noise is caused by reverse engine spike and can in most cases be drastically reduced by simply changing the oil in the transmission or reducing engine spike produced by inadequate engine components (ex. misfiring injector, FCA problems, Electronic programming). The oil recommended by the transmission manufacture Mercedes-Benz is Mobil Delvac Synthetic Transmission Fluid 50. We at Valair Inc. recommend draining completely and refilling with 7 quarts. Only 6 quarts will fit when utilizing the fill hole, the final quart will need to be filled through the shift tower.

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