For the ‘complete’ rebalancing in your case, in theory that’s a “No”.  Reality my dictate otherwise.  Even regrinding a balanced crankshaft undersize does not require rebalancing as the material being removed from the journals is being offset by the use of thicker bearings.  It is recommended however to have the rods end weights rechecked to insure that the weights are all the same after replacing the rod bolts and resizing them.  Any weight variances in excess of a ½ gram should be addressed.  If there are any questions about the quality of the original balance, then a complete rebalance should be considered.    And because you have done some replacements in the clutch area, at least consider rebalancing of the flywheel and clutch assembly. The flywheel, pressure plate, and clutch disk can be rebalanced without rebalancing the remainder of the rotating engine pieces as they are ‘neutral’ balanced.