Part Number: 16-0998 Application: 1999-2017 FXST1999-2016 FLT1999-2017 FXD1984-1994 FXR1999-2017 FLSTNote: oil pump Details:Use to align tappet guide to engine case and also aligns oil pump to cam plate. Sold as a pair.UOM: SET Country of Origin: TAIWAN