balancing, blue printing, shot peanning, etc.. tons of procedures to sure up the bottom end.. you can buy forged pistons, rods, and cranks if you want. good thing for you is the Crank, and rods are forged from the factory on the SR. Pistons are cast. Resleeving the block would help in extreme situations.. The SR has been proven time and again to be good in stock form to over ~400hp.
If you want specific answers try to be a bit more specific in your questions.. such as goals, current situation, why you looking into rebuilding, etc..
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