Not sure what they r rated to, however, I seen a thread that someone is running 13psi on stock internals i believe, so in theory, upgraded internals would allow you to run higher psi. Although something else could go wrong. Next year when i come back from afghanistan, ill be getting Stage 1 TT and running 10psi until i upgrade the engine internals, or 5psi with a 75 -100shot
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2011 Evo-GSR AMS 2.4 stroker/ bore, FP Black build in progress.
Sponsor: DSG Performance
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