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Generation III Internal Engine
1997-2006 LS1 | LS6
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Old 04-22-2012, 08:59 AM   #1
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Default 241/806 valves in 243 heads

Just as the title states.
I have 243 heads bare and have a set of 806 valves and 241 valves. Will they work with the 243s?
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Old 04-22-2012, 09:32 AM   #2
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2.00" 1.55".....

Are 241 and 243 head valves interchangeable?
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Old 04-22-2012, 09:50 PM   #3
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there was never really a definitive answer on that thread that's why I posted this one.
thanks for the reply.

but does this mean that my 241 valves will work on my 243 heads?
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Old 04-23-2012, 06:53 AM   #4
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Yes, they will. They are the exact same. Only difference is the 243 LS6 valves that are hollow / sodium are a tiny bit longer. The all work the same, and are the same size.
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2001 SS Blk M6 #1489 - 460 / 420 - SOLD - AFR 205's, FAST 92, Ed Curtis Cam, Geoff @ EPS Tuned
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Old 04-23-2012, 06:53 AM
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241, 243, 243s, 806, difference, heads, hp, ls1, ls1tech, valves, whats, work


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