OEM Valve sizes?

Information on the naturally-aspirated KA24E and KA24DE engines.
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chi0082
Posts: 94
Joined: Fri Dec 22, 2006 7:19 am
Car: 1992 240sx

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Hi All,

Does anyone know what size the exhaust valves are on a 92 240sx KA24DE engine? and intake valve size? I'm trying to order some and they're giving me different sizes to choose from and I'm a little confused. For example they have listed ...

1.2310" HEAD DIA,.2740" STEM DIA,3.8880" OAL

is that OEM? oversized? what are the OEM specs?

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liquid_cool
Posts: 1700
Joined: Sat Jul 05, 2008 3:02 am
Car: 1990 Nissan 240SX KA24DE-T swap 8.6:1cr, duelsprings, ti retainers,supertech pistons, K1 H-beems balanced internals ect ect

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first things bro...did you have machine work done to your head?...did you lapp the seats? or reinsert new seats? regrind the valve seats?...this would be the reason there asking you so many questions...if your getting oem valves and not at least re lapping the seat..its all for not anyways...fish us some info so we can get an idea of what your trying to acomplish with new valves...thanks.
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