Okay on the evo 9 what is the size for the lugnuts on the wheels and the and the thread size or the seats.

 

I know the lug thread pitch is 12x1.5, and the lugs are 21mm. If that helps?

 

what about the seats.

 

Uhh... I guess why are you asking? The stock lugs have a flat seat I believe, for stock wheels. But if you're going aftermarket you'd obviously need something different? Not sure though...

Give me some kind of frame of reference...

 

I want to put locks on my seats to prevent theft if not imma have them welded.