LS 2 Corvette Heads

10-23-2013, 12:13 PM

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LS 2 Corvette Heads

Where can I find more info on 243 Cathedral port heads?
Valve size, CC of chambers,and spring pressure.

Thanks nvwstage2.

10-23-2013, 01:33 PM

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I found Google to be helpful.

10-24-2013, 12:01 AM

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I believe 243's have 2.00in 1.55ex valves and are 64cc. Not sure about spring pressure but they're good to about .570-.580 lift