Looking back though my emails to and from Matt the pistons in his 300 are 190.4g (I don't know if this is with rings pin and circlip though). I think these were one offs so proddie ones might be a tad heavier. Its still a good saving over the "stock" Tyga pistons though.

Sorry Maxim but you arnt ever going to beat a F3, you might get more hp and more torque but it aint no F3
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If I have to take the carbs off once more...