BSA B31 CLUTCH HUB FOR 4 SPRING CLUTCH 42-3170A - MADE IN UK

A NEW UK MADE CLUTCH HUB FOR BSA B31 MODELS AND OTHER PRE-UNIT SINGLES WITH THE 4 SPRING CLUTCH 

THERE IS GREY AREA ON THE SHAFTS FITTED TO THESE BIKES. THIS HUB IS FOR BIKES WITH THE LARGER TAPER.

MAY ALSO BE FOUIND ON A7 & A10 TWINS.

SMALL TAPER VERSION CAN BE FOUND IN OUR OTHER ITEMS.

IT'S ORIGINAL BSA PART NUMBER IS 42-3170A