FEULING PARTS 1110 KIT RITENITORI MOLLE VALVOLA IN TITANIO HARLEY DAVIDSON FXBR 1923 ABS SOFTAIL BREAKOUT 117 2023. RETAINER TI KIT -0.050 M8 | KIT RITENITORI MOLLE VALVOLA IN TITANIO. Feuling Parts was created as a spin-off of Feuling R&D's contract work with corporate Harley Davidson® and the Feuling W3® engine and motorcycle program.