New Lucas Replacement 35 Amp Solid State Rectifier. Finally! A “Modern” part to replace your old Lucas rectifier! What is great about this new unit is the convenient compact size! Why spend $50+ on an old Lucas rectifier when you can have something better! Measures 1 7/64″ X 1 7/64″. You can use a 1/4″ bolt to mount the unit! Comes with an easy-to-read instruction manual suitable for all skill levels! Not Polarity Sensitive! Compatible with many 6V or 12V Triumph, BSA & Norton motorcycles equipped with the Lucas rectifier and stator up to early 1978! Please refer to your parts catalog for proper fitment.We also sell a Beautiful Lucas Rectifier! Search 49072Made in TaiwanO.E.M Part number is 99-9882