im looking to machine my own shift knob and was wondering if anyone knows the thread size(02 wrx)?

has anyone else done this?

Don't know the thread size offhand but you can probably remove the console and pull the shifter to take to a home supply store to match with a metric nut.

Machining your own shift knob is an interesting idea. What material would you consider using? Some owners state that an all-metallic knob sometimes gets pretty warm in the summertime so you might have to throw a sock over the shift knob or use a sun shade if you park outdoors.

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0==WW==0
"…axles of evil…" - george w. bush

12x1.25, same as the lug nuts.

Origami posted by Mulder
12x1.25, same as the lug nuts.
I wish I'd seen your post before I went out to lunch. On my way home I stopped by a Lowe's home center... ;)

That's my OEM WRX shift lever pictured with the metric nut packaging.

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0==WW==0
"…axles of evil…" - george w. bush

thanks for the help. Im going to use aluminum. i am hoping to put an engine starter button in the knob with a flip cover. i still need to find a button that is small enough to fit in.