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Has anyone used these Summit heads?

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Has anyone used these Summit heads?

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Old 03-05-2006, 03:28 AM
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Default Re: Has anyone used these Summit heads?

Originally Posted by Big Block Billy
Yes, I used the 308 CC on my 540.
Using 345cc on a pair of 588's for a friend. Any bigger that 540 use 345cc. Dart heads are awesome ! They are really the way to go. Anyone need stock chevy heads ? I'd like to flush out my tremendous inventory. BBB
What's the casting #'s on the heads?
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Old 03-05-2006, 12:52 PM
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Default Re: Has anyone used these Summit heads?

I would want to know who made the valve springs and what valves are in it. I really doubt the valves are made of a material suitable for extended marine use.
sell the valves that com ein the heads on ebay and by severe duty int and inconel ex, and tit retainers. thats what i did, the difference i paid for the ss valves less the ebay sales was minimal.
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