Forged pistons options

If the piston, pin & rings assemble are heavier or lighter by a margin simple hand held dremel fixes can’t fix, the crank with bearings along well th harmonic balancer and flywheel/flex plate should be sent to be balanced.

Also at this point, the proper balanced and flywheel/flexplate should be in ya d and used.

At this stage, it will be your call to have it internally or externally balanced.