o2 thread size

[tomsws6]

ok it looks like i need to tap my headers for the 02 sensors. i think the threads are screwd up. anyone know the size? i thought it was 11/16 by 16.

[mpe331lx]

Metric 18MM x 1.5

[tomsws6]

thanks!

[jakesz28]

If your having a hard time finding the tap. At autozone they sell a double sided tap for rethreading sparkplugs. The one end is 14mm and the larger end is the 18mm one you need.

[tomsws6]

If your having a hard time finding the tap. At autozone they sell a double sided tap for rethreading sparkplugs. The one end is 14mm and the larger end is the 18mm one you need.


exactly the one i got! 6 bucks i think. thanks guys