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Thunder-N-Lightning Cast Aluminum Exhaust Headers

Old 05-04-2016, 01:15 PM
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Default Thunder-N-Lightning Cast Aluminum Exhaust Headers

The innovative Thunder & Lightning bolt-on cast aluminum exhaust header boosts your engine's performance 35-100HP! This unique foundry-tough cast tube style header incorporates four individual water jacketed 32" long runners and easily bolts on to most big block Chevy marine engines, including Mercury Bravo, Speedmaster, and Volvo installations.
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Old 05-05-2016, 10:18 AM
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Did you guys ever get the drill jigs developed for the Merc 525, 600/700SCi heads yet?
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Old 06-22-2016, 12:31 PM
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New set of headers going on a Pantera!
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Old 06-22-2016, 12:53 PM
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Originally Posted by DiamondPerformance
New set of headers going on a Pantera!
They have it running already. 598cid

https://www.youtube.com/watch?v=u-5P0vw1UqQ
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Old 01-27-2023, 08:19 AM
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Any options for the 496?
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Old 03-05-2023, 04:59 AM
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Originally Posted by Jamescmei
Any options for the 496?
There hasn't even been options for normal bbc for 3 years now since COVID ended foundry production of these fwiw.
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Old 03-05-2023, 11:08 AM
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Anyone by chance have "one" for sale? I can't remember which side but I smoked one of these and am looking for a spare for my other brand new header to make a set.
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Old 05-05-2023, 11:01 AM
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I emailed them a few weeks back to ask and they confirmed there will be another production run. I don't know how many they need to justify a production run, but I'd be up for a pair to keep as spares.
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Old 05-05-2023, 11:42 AM
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Originally Posted by MadMat
I emailed them a few weeks back to ask and they confirmed there will be another production run. I don't know how many they need to justify a production run, but I'd be up for a pair to keep as spares.
ditto
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Old 05-06-2023, 09:33 AM
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Originally Posted by MadMat
I emailed them a few weeks back to ask and they confirmed there will be another production run. I don't know how many they need to justify a production run, but I'd be up for a pair to keep as spares.
In conversation with "Kaama", he says Bill told him they were gonna have them in june or july but that might have been in passing conversation, not confirmed.
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