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 Wiring Harness, PVC $450.00 LU37132 $50.00 Ignition Tune-Up, TR2 thru TR6 from $2.50 LUNCB101 $95.00 Sold Out Tail Lamp Parts from $0.75