HD-OEM: 17920-53Part Number: 10-0198 UOM: 1 - SET Summary:Inserts are precision machined and designed to meet OEM specifications to ensure that the valve train operates with zero clearance to eliminate the need for periodic adjustment of valve clearance. Sold as a set of 4.Fitment: FL 1953-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 Tech. Notes:10-0277 - Hydraulic Tappet Unit SetCountry of Origin: Imported