NOS stock 340 cam from wholesaler worth the risk?

Nice.

The old Mopar Performance Cam P4452782 in a old box with a before 2005 or so would be a good bet too. It had same specs as stock 268-276-44 with .429/.444" lift and 114 centerline.
yeah, i wish they were easier to find. when i bought my swinger in the 90’s you could just go down to the local dodge dealer and buy a cam and lifters and not worry about tearing up your engine.