7mm exhaust valve guides

[Jay Whitely]

Hey Mike,

I am rebuilding a Silvia DET head and my GTi-R head
right now. Do you know if the exhaust valve guides are
the same, seeing as how they both have 7mm exhaust
valve stems?

What kind of car can I get them for?  Do I order them
for a 240SX? Or, do I have the machine shop measure
the dimensions and order something from their supplier
that has the same specs?

Thanks a million!

Peace,

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Jay Whitely
Tampa, FL
1996 200SX SE-R
GTi-R powered, F-MAX Stage 2