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For Cummins engines, the torque specification for rocker shaft bolts typically ranges from 22 to 25 ft-lbs (30 to 34 Nm). It's important to follow the specific service manual for the engine model you are working on, as specifications can vary. Always ensure that bolts are torqued in the correct sequence to avoid warping the rocker shaft. Double-check for any updates or specific instructions related to your engine variant.

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