Replacement O-rings and Filter Element Spring.
This service kit is designed to suit Aeroflow Performance fuel filters, part number AF66-2056 and AF66-2057. It includes the body O-ring for the housing when opening up to inspect the filter. Another O-ring for the fuel filter element itself, along with a replacement spring to hold the element in place which can weaken over time.
* & AF66-2057 Billet Holden & Ford Fuel Filter