Sorry I thought I put it in the add. Its a 3.5" AC delco sensor. I'm almost positive I got it off a LS1 trans am, Yea it worked fine on my car, I went to a fast XFI set up.
I have a Caspers electronics ECU adapter module. Part # 108112 XFI-GN it has never been used.
$200 Firm shipped to the lower 48, If using paypal add the fee please.
Driver side has been wielded before, I sent them to jet hot and had them coated about 6 years ago, Got a set of stainless so I no longer need these. $200 shipped to the lower 48, If using Paypal and not going to send as a gift add the fee in please.