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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Sold in matched "weighed" sets (as pictured)
Click here to purchase the bottom drain plugs (21-1903
Comes with everything as pictured from the knob
etc (non-USA)
Steel replacement fuel tank
Lucas Type Magneto Fiber Drive Gear 47503 Nicholson Sold in matched "weighed" setsNew BSA Lucas Magneto Fiber Drive Gear. Replace your stripped fiber drive gear with this English made part. Designed to replace Lucas part number 47503. Drive gear features 44 teeth. Suited for BSA A7 and A10 twins with Lucas ATD (auto advance timing control) magnetos. Please refer to your parts catalog for proper fitment. Made in England O. E. M Part number is 47503 or CBS 50227