When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You can screw a 4an fitting on to the test port on the fuel rail. Just get 4an female fitting that has a 1/8" npt port on it so that you can screw the fuel sender into it.