Shop › LUSFB100 Image 1 of 1 LUSFB100 $13.50 3-prong flasher unit for use with screw terminals. Lucas boxed. TR2-TR3-TR3A (up to TS60K). LUSFB100, 141-750 Add To Cart Added! 3-prong flasher unit for use with screw terminals. Lucas boxed. TR2-TR3-TR3A (up to TS60K). LUSFB100, 141-750 You Might Also Like LU54038068 $20.00 LUNCB100 $95.00 Sold Out LU39890 $12.50 LUNCB101 $85.00 205939/AL $150.00