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Hardin Marine Cyclone "shorty" headers BBC

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Old 05-08-2022 | 10:49 PM
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Default Hardin Marine Cyclone "shorty" headers BBC

Cyclone Shorty headers for big block chevy (USED)

Harding Part: 620-32001
Cyclone "Shorty Headers"
Replacement Header For Gil Marine, Mercury Hi-Performance & Rex Power Torque Manifolds
Fully Polished Finish

These were bought roughly 3 years ago and removed prior to selling my boat. They pressure tested and are in perfect working order. Happy to email pictures at request.
Would like to get 2,500 for them, open to negotiate.



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Old 05-09-2022 | 06:27 AM
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send pics to 816-eight zero four-631 one. all sides, down the inlets and outlet.
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Old 05-09-2022 | 03:52 PM
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How many sets do you have? Thanks

Last edited by gripit; 05-09-2022 at 03:55 PM.
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Old 05-11-2022 | 02:24 PM
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gripit I just have the one set, they were used on a single engine (454) for one season, roughly 20 times in the water.
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Old 05-14-2022 | 11:22 AM
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Sorry guy I'm unable to PM I guess, I've tried responding.

Headers were purchased new from Hardin Marine 6/7/2018 (have receipt), while I was out of state working, so they were installed that winter and ran on a single engine 7.4l for one season 2019 (roughly 20 outings none of which the boat sat in the water overnight). They were removed during an engine upgrade the following year and have been sitting in box since. Just cleaning out a shelf in my garage...
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Old 05-23-2022 | 10:57 AM
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