These heads are ported LT1 heads that have had the extra coolant passage blocked, welded, and decked to fit on a SBC. I also have an LT1 intake, fuel rail, and a distributor spacer. The LT1 intake conversion has been around for a while now, and I've been running mine for 30,000 miles in a daily driven IROC that traps 105mph. This is the next step up. Great flowing heads that have been ported, with small combustion chambers for a compression increase, combined with the flow of the LT1 intake spells easy power.
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If you dont want a custom setup, this Isn't for you.

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www.fawkit.org/kc104/lt1/decked/

 

flow numbers? idea on price?

 

Sorry I dont have any flow numbers