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3.927 pistons.

Stock bore is 3.917 in the 5.7. Surly people aren’t using 3.927 pistons are they? I broke a piston and am debating stroking or not since I have to yank motor. I have a 6.1 crank too so that’s an option. It’s a nitrous car. Street race and no preps. Just don’t have a ton of money. Any suggestions on who to buy parts from would be great. I won’t pay retail. Thanks.



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