Check out this Quality, Very Cool Skull Pushrod Cover Set by V-Twin 37-9078

Chrome skull pushrod cover cup set 

Set of four.  

Fits: Harley-Davidson 1936-2017

FL 1941-1984

FX 1971-1984

FXST 1984-UP

FXR 1982-1984

FXR 1985-1994

FXD 1991-2017

FLST 1986-UP

FLT 1979-1984

FLT 1985-UP

XL 1957-1989