If you have any questions prior to purchasing the kit post them here.
https://www.aeswave.com/Foster-2-Series ... p9448.html
Please add some codes for your adapters,I think you need a Foster series 2 female to rectus 21 (or 26) female adapter.You can build one with these parts:
https://www.ebay.com/itm/Rectus-21-Typ- ... 1adce69dc8
https://www.picoauto.com/products/press ... h-npt-male
and a cooper washer.