ls9 4.100" bore vs stock 5.3 3.78" bore

06-20-2015, 08:47 AM

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ls9 4.100" bore vs stock 5.3 3.78" bore

Will the LS9 head gaskets having a slightly bigger bore then the stock 5.3 still work well under 15-20psi and head studs?

06-20-2015, 10:24 AM

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Yeah, I think they've proven they work well with boost.