TRASK PERFORMANCE ASSAULT SERIES DERBY COVER WITH WINDOW FITMENT:2016-2020 FL & 2015 FLHTCUL & 2015 FLHTKL (4" SPACING) they are always doing things

they are always doing things that are a little outside the box

keeping wind out of your face and keeping that front end looking sweet

FEULING dipsticks help remove this unwanted pressure through a (CVS) Crankcase Ventilation System

Twin Cam HD® big twins

14'-UP Touring

TRASK PERFORMANCE ASSAULT SERIES DERBY COVER WITH WINDOW FITMENT:2016-2020 FL & 2015 FLHTCUL & 2015 FLHTKL (4" SPACING) they are always doing thingsAdd a custom look to your primary and show off all your go fast internals with the clear Trask Assault Derby Cover! Fits most 99 and newer big twin models. Unique, see through LEXAN window design. Compliments the Assault Series Air Cleaners and Cam Covers. Proudly made in the U. S. A. Note: Be sure to check the bolt spacing on your primary cover before purchasing.