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 Pertronix Electronic Ignition Conversions, TR2 thru TR6 from $9.00 Ignition Switches, Most Models from $15.00 GRS102 $295.00 TR2 thru TR6 Battery Cables from $30.00 Sale LU54038068 $20.00