Adding oxgen sensor to Gil riser
#11
You could go this way also. Jeff can build them for Gil as well.
http://wagsengineering.com/wp-conten...or-300x210.jpg
http://wagsengineering.com/products/...sensor-spacer/
http://wagsengineering.com/wp-conten...or-300x210.jpg
http://wagsengineering.com/products/...sensor-spacer/