The adaptor for the oil filter to block is available at The National Parts Depot 352 387 0021. They call it 6890-A In a message dated 8/12/2010 5:22:27 P.M. Eastern Daylight Time, CoolVT at aol.com writes: If you don't have the adapter that screws into the block the last Ford part # that I had was F1AZ 6890-B