*Back In Stock!* New English Made BSA A7 & A10 "A Group" Pre-Unit Twins Camshaft Gear Pinion Fastening Nut. For a very long time this part was Considered "Hard To Find!" Well not anymore! Here at C.B.S. we understand how parts for BSA Pre-Unit Twins are Hard To Come By! Complete O.E.M. spec "Thin Nut" measures 1/2" with 20 Threads Pitch Inch (CEI)! Fits all BSA "A Group" Pre-Unit Twins A7 & A10 (Spitfire, Goldenflash, Shooting Star, Road Rocket, Rocket Goldstar, Etc) from 1947-1963. Please refer to your parts catalog for proper fitment.
*****Please note that this Nut will only Fit BSA Pre-Unit A7 & A10 Twins! Not Compatible with A50 & A65 Twins!*****
•Made in the UK
•O.E.M Part number is 02-0124