not affiliation, passing on the savings
http://cgi.ebay.com/ebaymotors/ws/eB...m=220629244436
i bot one and seems to be 1 left. if you have a boosted car you may want one. they are $85-90 retail and i have been looking for on on sale for a few months. your wide band will last longer and not over heat and stop reading after 5 laps into a session.