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PARTS!! Holley 800's, Gen V 420HP short blocks Mufflers

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PARTS!! Holley 800's, Gen V 420HP short blocks Mufflers

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Old 02-16-2019, 08:12 AM
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short blocks forged pistons and internals?
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Old 02-16-2019, 01:43 PM
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stock pistons, forged crank and big (7/16) rods
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Old 02-16-2019, 01:44 PM
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can be switched to forged pistons if deal done prior to build finishing
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Old 02-17-2019, 09:30 AM
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I apologize, I just spoke to my builder and yes they are forged pistons. #2399's .095 dome. Factory set up.
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Old 02-19-2019, 10:24 AM
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ttt
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Old 02-20-2019, 01:28 PM
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Originally Posted by Sick Stinger View Post
454 came in 310 ( gen 6) 330, 365, 385, and 420.
502 were 415,425,465- pre hp500, and the 500.
454 also came as 400 "cyclone" and "hp450" from mercruiser
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Old 02-20-2019, 01:36 PM
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Paul cyclone had another one too right? Like a 370 HP? Wasn’t sure if the cyclone was merc or a small Trial project from another builder.
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Old 02-28-2019, 08:57 AM
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Originally Posted by JCCRAZY View Post
I apologize, I just spoke to my builder and yes they are forged pistons. #2399's .095 dome. Factory set up.
Adapter plates are sold
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Old 02-28-2019, 01:12 PM
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Hey Stinger - PM me price for two shortblocks shipped to 33064
Thanks Bro
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Old 02-28-2019, 01:36 PM
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Swamp sorry lost here, this is JCs post I commented on
if you want PM what you are looking for maybe I can help. But if it’s 420s JC is your guy. In only have stroker pairs 489/96 540 stuff
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