Vivid contrast by hair line finished fins.

The strong contrast of Black body and hair line fins emphasize the radial array design.
Thickness of about 18mm.
Fin height is about 2.5mm.

2 of stainless Bolts are included.
Mount bolts are holizontally-aligned on Big twin 1970-1999 and Sportster 2004- .
Vertically-aligned on Sportster 1971-2003.

Same designed derby cover is available,1171-02B

Radial Fin Black ( 2 holes)