WTB: KA exhaust manifold o2 sensor bung..

Looking for the bung that screws into the stock exhaust manifold, that the “skinny” type 02 sensor screws into…
Or, an adapter from an aftermarket turbo elbow that houses a redtop o2
Or, somewhere I can find a m12x1.25 to m18x1.50 bushing/adapter
need asap and local…
thanks

i got mine from sg
http://www.sg-motorsport.com/store/product_info.php?cPath=29_31_128&products_id=409

I could probably make you an adapter like you describe, but I am a little far away in Niagara Falls, Ontario.

Ive got a complete exhaust mani from an 89 hatch sohc