Allows for 5-3/4″ LED headlamps to fit into existing buckets. Made in the U.S.A.. Required for proper fitment and seating of Custom Dynamics 5.75″ TruBEAM Headlamp on all Harley-Davidson Softail models with bottom mount headlight bucket including 2017 & Earlier Softail Springer, Softail Custom, Softail Deuce, Cross Bones, Nightrain, Blackline, and Breakout. Also required when installing Custom Dynamics 5.75″ ProBEAM LED Headlamp on 2013-2017 FXSB Breakout, 2011-2013 FXS Blackline, and Rocker/Rocker C models with OEM P/N 67700029 headlamp bucket..