HD-OEM: 17920-53Part Number: 10-0521 UOM: 1 - EA Summary:Crane precision machined hydraulic insert is a high quality replacement for OE or Crane hydraulic tappets. Replaces Crane Cams hydraulic tappets.Fitment: FL 1953-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 Country of Origin: USA