Sifton valve spring set for high lift cams can be used with stock retainers and lower collars for up to .600 lift.
Fits:
FL 1948-1984
FLT 1979-1983
Fx 1971-1984
FXR 1982-1983
UOM: SET
Country Of Origin: USA
Accessory Items: 16-1774 – Bench Valve Spring Tool