440 pistons

fabiomopar said

Can anyone tell me how much weight a 440 piston? OEM piston,forged i know its about 766grs!!! Thanks!!!

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OEM 440 pistons are not forged , they are cast . The TRW/Speedro 6pk replacement piston is about 1100 grams with the pin .

The factory balance job is a joke so don't think that you can just replace a factory piston and be good to go .