not worth it, youd have to mill them to at lease .030 keep the stock compression ratio of the 5.3.. yes they do flow alittle better but for a NA setup id find another route, now forced induction yeah it would be worth it.
not worth it, youd have to mill them to at lease .030 keep the stock compression ratio of the 5.3.. yes they do flow alittle better but for a NA setup id find another route, now forced induction yeah it would be worth it.
Simple: 408 on steroids!
single digits coming soon!
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