BSA Rear Wheel Axle Spindle Mounting Nut 37-2309 68-6100 B25 B44 TR25W A50 A65 Airfilter Always check your part book

Always check your part book for proper fitment

**Included In The Kit**

We also include all the necessary hardware making this a "bolt on and go" part

This is a top quality English made Exhaust valve set

Just needs a little cleaning and away you go

BSA Rear Wheel Axle Spindle Mounting Nut 37-2309 68-6100 B25 B44 TR25W A50 A65 Airfilter Always check your part book*Just In & Ready To Ship!* Brand New English Made BSA Unit Singles & Twins Rear Wheel Spindle Axle Mounting Nut. For a very Long time this Nut was considered "Hard To Find"! BSA owners know exactly what I'm talking about! Nut comes with a Lovely Zinc finish! Measures 9 16" with a 20 TPI thread pitch! Fits BSA A50 & A65 Unit Twins (Lightning, Royal Star, Hornet, Spitfire, Thunderbolt, Wasp & Firebird) from 1966 1970 only with the "Quick Detachable"